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   heat-releasing
         adj 1: (of a chemical reaction or compound) occurring or formed
                  with the liberation of heat [syn: {exothermic},
                  {exothermal}, {heat-releasing}] [ant: {endothermal},
                  {endothermic}, {heat-absorbing}]

English Dictionary: heterologic by the DICT Development Group
From WordNet (r) 3.0 (2006) [wn]:
Hedera helix
n
  1. Old World vine with lobed evergreen leaves and black berrylike fruits
    Synonym(s): ivy, common ivy, English ivy, Hedera helix
From WordNet (r) 3.0 (2006) [wn]:
heterologic
adj
  1. not corresponding in structure or evolutionary origin
    Synonym(s): heterologous, heterologic, heterological
    Antonym(s): analogous, homologous
From WordNet (r) 3.0 (2006) [wn]:
heterological
adj
  1. not corresponding in structure or evolutionary origin
    Synonym(s): heterologous, heterologic, heterological
    Antonym(s): analogous, homologous
From WordNet (r) 3.0 (2006) [wn]:
heterologous
adj
  1. not corresponding in structure or evolutionary origin
    Synonym(s): heterologous, heterologic, heterological
    Antonym(s): analogous, homologous
  2. derived from organisms of a different but related species; "a heterologous graft"
    Antonym(s): autologous, homologous
From WordNet (r) 3.0 (2006) [wn]:
heterology
n
  1. (biology) the lack of correspondence of apparently similar body parts
From WordNet (r) 3.0 (2006) [wn]:
hydralazine
n
  1. an antihypertensive drug (trade name Apresoline) that dilates blood vessels; used (often with a diuretic) to treat hypertension and congestive heart failure
    Synonym(s): hydralazine, Apresoline
From WordNet (r) 3.0 (2006) [wn]:
hydraulic
adj
  1. moved or operated or effected by liquid (water or oil); "hydraulic erosion"; "hydraulic brakes"
  2. of or relating to the study of hydraulics; "hydraulic engineer"
From WordNet (r) 3.0 (2006) [wn]:
hydraulic brake
n
  1. brake system in which a brake pedal moves a piston in the master cylinder; brake fluid then applies great force to the brake pads or shoes
    Synonym(s): hydraulic brake, hydraulic brakes
From WordNet (r) 3.0 (2006) [wn]:
hydraulic brake cylinder
n
  1. a cylinder that contains brake fluid that is compressed by a piston
    Synonym(s): brake cylinder, hydraulic brake cylinder, master cylinder
From WordNet (r) 3.0 (2006) [wn]:
hydraulic brakes
n
  1. brake system in which a brake pedal moves a piston in the master cylinder; brake fluid then applies great force to the brake pads or shoes
    Synonym(s): hydraulic brake, hydraulic brakes
From WordNet (r) 3.0 (2006) [wn]:
hydraulic cement
n
  1. a cement that hardens under water; made by heating limestone and clay in a kiln and pulverizing the result
    Synonym(s): hydraulic cement, Portland cement
From WordNet (r) 3.0 (2006) [wn]:
hydraulic engineering
n
  1. the branch of civil engineering dealing with the use and control of water in motion
From WordNet (r) 3.0 (2006) [wn]:
hydraulic press
n
  1. press in which a force applied by a piston to a small area is transmitted through water to another piston having a large area
From WordNet (r) 3.0 (2006) [wn]:
hydraulic pump
n
  1. a water pump that uses the kinetic energy of flowing water to force a small fraction of that water to a reservoir at a higher level
    Synonym(s): hydraulic pump, hydraulic ram
From WordNet (r) 3.0 (2006) [wn]:
hydraulic ram
n
  1. a water pump that uses the kinetic energy of flowing water to force a small fraction of that water to a reservoir at a higher level
    Synonym(s): hydraulic pump, hydraulic ram
From WordNet (r) 3.0 (2006) [wn]:
hydraulic system
n
  1. a mechanism operated by the resistance offered or the pressure transmitted when a liquid is forced through a small opening or tube
From WordNet (r) 3.0 (2006) [wn]:
hydraulic transmission
n
  1. a transmission that depends on a hydraulic system [syn: hydraulic transmission, hydraulic transmission system]
From WordNet (r) 3.0 (2006) [wn]:
hydraulic transmission system
n
  1. a transmission that depends on a hydraulic system [syn: hydraulic transmission, hydraulic transmission system]
From WordNet (r) 3.0 (2006) [wn]:
hydraulically
adv
  1. in a hydraulic manner; "the block is then tested hydraulically to its full design test pressure on each stream separately"
    Synonym(s): hydraulically, hydraulicly
From WordNet (r) 3.0 (2006) [wn]:
hydraulicly
adv
  1. in a hydraulic manner; "the block is then tested hydraulically to its full design test pressure on each stream separately"
    Synonym(s): hydraulically, hydraulicly
From WordNet (r) 3.0 (2006) [wn]:
hydraulics
n
  1. study of the mechanics of fluids [syn: fluid mechanics, hydraulics]
From WordNet (r) 3.0 (2006) [wn]:
hydrilla
n
  1. submersed plant with whorled lanceolate leaves and solitary axillary flowers; Old World plant naturalized in southern United States and clogging Florida's waterways
    Synonym(s): hydrilla, Hydrilla verticillata
From WordNet (r) 3.0 (2006) [wn]:
Hydrilla verticillata
n
  1. submersed plant with whorled lanceolate leaves and solitary axillary flowers; Old World plant naturalized in southern United States and clogging Florida's waterways
    Synonym(s): hydrilla, Hydrilla verticillata
From WordNet (r) 3.0 (2006) [wn]:
hydroelectric
adj
  1. of or relating to or used in the production of electricity by waterpower; "hydroelectric power"
From WordNet (r) 3.0 (2006) [wn]:
hydroelectric turbine
n
  1. turbine consisting of a large and efficient version of a water wheel used to drive an electric generator
From WordNet (r) 3.0 (2006) [wn]:
hydroelectricity
n
  1. electricity produced by water power
From WordNet (r) 3.0 (2006) [wn]:
hydrolise
v
  1. make a compound react with water and undergo hydrolysis
    Synonym(s): hydrolize, hydrolise
From WordNet (r) 3.0 (2006) [wn]:
hydrolith
n
  1. a saltlike binary compound (CaH2) used as a reducing agent and source of hydrogen
    Synonym(s): calcium hydride, hydrolith
From WordNet (r) 3.0 (2006) [wn]:
hydrolize
v
  1. make a compound react with water and undergo hydrolysis
    Synonym(s): hydrolize, hydrolise
From WordNet (r) 3.0 (2006) [wn]:
hydrologist
n
  1. a geologist skilled in hydrology
From WordNet (r) 3.0 (2006) [wn]:
hydrology
n
  1. the branch of geology that studies water on the earth and in the atmosphere: its distribution and uses and conservation
From WordNet (r) 3.0 (2006) [wn]:
hydrolysate
n
  1. a product of hydrolysis
From WordNet (r) 3.0 (2006) [wn]:
hydrolyse
v
  1. undergo hydrolysis; decompose by reacting with water [syn: hydrolyze, hydrolyse]
From WordNet (r) 3.0 (2006) [wn]:
hydrolysis
n
  1. a chemical reaction in which water reacts with a compound to produce other compounds; involves the splitting of a bond and the addition of the hydrogen cation and the hydroxide anion from the water
From WordNet (r) 3.0 (2006) [wn]:
hydrolyzable
adj
  1. capable of undergoing hydrolysis
From WordNet (r) 3.0 (2006) [wn]:
hydrolyze
v
  1. undergo hydrolysis; decompose by reacting with water [syn: hydrolyze, hydrolyse]
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Ivy \I"vy\, n.; pl. {Ivies}. [AS. [c6]fig; akin to OHG. ebawi,
      ebah, G. epheu.] (Bot.)
      A plant of the genus {Hedera} ({H. helix}), common in Europe.
      Its leaves are evergreen, dark, smooth, shining, and mostly
      five-pointed; the flowers yellowish and small; the berries
      black or yellow. The stem clings to walls and trees by
      rootlike fibers.
  
               Direct The clasping ivy where to climb.   --Milton.
  
               Ye myrtles brown, with ivy never sere.   --Milton.
  
      {American ivy}. (Bot.) See {Virginia creeper}.
  
      {English ivy} (Bot.), a popular name in America for the ivy
            proper ({Hedera helix}).
  
      {German ivy} (Bot.), a creeping plant, with smooth, succulent
            stems, and fleshy, light-green leaves; a species of
            {Senecio} ({S. scandens}).
  
      {Ground ivy}. (Bot.) Gill ({Nepeta Glechoma}).
  
      {Ivy bush}. (Bot.) See {Mountain laurel}, under {Mountain}.
           
  
      {Ivy owl} (Zo[94]l.), the barn owl.
  
      {Ivy tod} (Bot.), the ivy plant. --Tennyson.
  
      {Japanese ivy} (Bot.), a climbing plant ({Ampelopsis
            tricuspidata}), closely related to the Virginia creeper.
           
  
      {Poison ivy} (Bot.), an American woody creeper ({Rhus
            Toxicodendron}), with trifoliate leaves, and
            greenish-white berries. It is exceedingly poisonous to the
            touch for most persons.
  
      {To pipe in an ivy leaf}, to console one's self as best one
            can. [Obs.] --Chaucer.
  
      {West Indian ivy}, a climbing plant of the genus
            {Marcgravia}.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Hederal \Hed"er*al\, a.
      Of or pertaining to ivy.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Huia bird \Hu"ia bird`\ [Native name; -- so called from its
      cry.] (Zo[94]l.)
      A New Zealand starling ({Heteralocha acutirostris}),
      remarkable for the great difference in the form and length of
      the bill in the two sexes, that of the male being sharp and
      straight, that of the female much longer and strongly curved.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Heterologous \Het`er*ol"o*gous\, a. [Hetero- + Gr. [?]
      proportion.]
      Characterized by heterology; consisting of different
      elements, or of like elements in different proportions;
      different; -- opposed to homologous; as, heterologous organs.
  
      {Heterologous stimulus}. (Physiol.) See under {Stimulus}.
  
      {Heterologous tumor} (Med.), a tumor differing in structure
            from the normal tissues of the body.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Stimulus \Stim"u*lus\, n.; pl. {Stimuli}. [L., for stigmulus,
      akin to L. instigare to stimulate. See {Instigare}, {Stick},
      v. t.]
      1. A goad; hence, something that rouses the mind or spirits;
            an incentive; as, the hope of gain is a powerful stimulus
            to labor and action.
  
      2. That which excites or produces a temporary increase of
            vital action, either in the whole organism or in any of
            its parts; especially (Physiol.), any substance or agent
            capable of evoking the activity of a nerve or irritable
            muscle, or capable of producing an impression upon a
            sensory organ or more particularly upon its specific end
            organ.
  
      Note: Of the stimuli applied to the sensory apparatus,
               physiologists distinguish two kinds: (a) {Homologous
               stimuli}, which act only upon the end organ, and for
               whose action the sense organs are especially adapted,
               as the rods and cones of the retina for the vibrations
               of the either. (b) {Heterologous stimuli}, which are
               mechanical, chemical, electrical, etc., and act upon
               the nervous elements of the sensory apparatus along
               their entire course, producing, for example, the flash
               of light beheld when the eye is struck. --Landois &
               Stirling.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Heterologous \Het`er*ol"o*gous\, a. [Hetero- + Gr. [?]
      proportion.]
      Characterized by heterology; consisting of different
      elements, or of like elements in different proportions;
      different; -- opposed to homologous; as, heterologous organs.
  
      {Heterologous stimulus}. (Physiol.) See under {Stimulus}.
  
      {Heterologous tumor} (Med.), a tumor differing in structure
            from the normal tissues of the body.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Heterologous \Het`er*ol"o*gous\, a. [Hetero- + Gr. [?]
      proportion.]
      Characterized by heterology; consisting of different
      elements, or of like elements in different proportions;
      different; -- opposed to homologous; as, heterologous organs.
  
      {Heterologous stimulus}. (Physiol.) See under {Stimulus}.
  
      {Heterologous tumor} (Med.), a tumor differing in structure
            from the normal tissues of the body.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Heterology \Het`er*ol"o*gy\, n. [Hetero- + -logy.]
      1. (Biol.) The absence of correspondence, or relation, in
            type of structure; lack of analogy between parts, owing to
            their being composed of different elements, or of like
            elements in different proportions; variation in structure
            from the normal form; -- opposed to homology.
  
      2. (Chem.) The connection or relation of bodies which have
            partial identity of composition, but different
            characteristics and properties; the relation existing
            between derivatives of the same substance, or of the
            analogous members of different series; as, ethane, ethyl
            alcohol, acetic aldehyde, and acetic acid are in
            heterology with each other, though each in at the same
            time a member of a distinct homologous series. Cf.
            {Homology}.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Hydraulic \Hy*drau"lic\, a. [F. hydraulique, L. hydraulicus, fr.
      Gr. [?], [?], a water organ; "y`dwr water + [?] flute, pipe.
      See {Hydra}.]
      Of or pertaining to hydraulics, or to fluids in motion;
      conveying, or acting by, water; as, an hydraulic clock,
      crane, or dock.
  
      {Hydraulic accumulator}, an accumulator for hydraulic
            machinery of any kind. See {Accumulator}, 2.
  
      {Hydraulic brake}, a cataract. See {Cataract}, 3.
  
      {Hydraulic cement}, a cement or mortar made of hydraulic
            lime, which will harden under water.
  
      {Hydraulic elevator}, a lift operated by the weight or
            pressure of water.
  
      {Hydraulic jack}. See under {Jack}.
  
      {Hydraulic lime}, quicklime obtained from hydraulic
            limestone, and used for cementing under water, etc.
  
      {Hydraulic limestone}, a limestone which contains some clay,
            and which yields a quicklime that will set, or form a
            firm, strong mass, under water.
  
      {Hydraulic main} (Gas Works), a horizontal pipe containing
            water at the bottom into which the ends of the pipes from
            the retorts dip, for passing the gas through water in
            order to remove ammonia.
  
      {Hydraulic mining}, a system of mining in which the force of
            a jet of water is used to wash down a bank of gold-bearing
            gravel or earth. [Pacific Coast]
  
      {Hydraulic press}, a hydrostatic press. See under
            {Hydrostatic}.
  
      {Hydraulic propeller}, a device for propelling ships by means
            of a stream of water ejected under water rearward from the
            ship.
  
      {Hydraulic ram}, a machine for raising water by means of the
            energy of the moving water of which a portion is to be
            raised. When the rush of water through the main pipe d
            shuts the valve at a, the momentum of the current thus
            suddenly checked forces part of it into the air chamber b,
            and up the pipe c, its return being prevented by a valve
            at the entrance to the air chamber, while the dropping of
            the valve a by its own weight allows another rush through
            the main pipe, and so on alternately.
  
      {Hydraulic valve}. (Mach.)
      (a) A valve for regulating the distribution of water in the
            cylinders of hydraulic elevators, cranes, etc.
      (b) (Gas Works) An inverted cup with a partition dipping into
            water, for opening or closing communication between two
            gas mains, the open ends of which protrude about the
            water.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Hydraulic \Hy*drau"lic\, a. [F. hydraulique, L. hydraulicus, fr.
      Gr. [?], [?], a water organ; "y`dwr water + [?] flute, pipe.
      See {Hydra}.]
      Of or pertaining to hydraulics, or to fluids in motion;
      conveying, or acting by, water; as, an hydraulic clock,
      crane, or dock.
  
      {Hydraulic accumulator}, an accumulator for hydraulic
            machinery of any kind. See {Accumulator}, 2.
  
      {Hydraulic brake}, a cataract. See {Cataract}, 3.
  
      {Hydraulic cement}, a cement or mortar made of hydraulic
            lime, which will harden under water.
  
      {Hydraulic elevator}, a lift operated by the weight or
            pressure of water.
  
      {Hydraulic jack}. See under {Jack}.
  
      {Hydraulic lime}, quicklime obtained from hydraulic
            limestone, and used for cementing under water, etc.
  
      {Hydraulic limestone}, a limestone which contains some clay,
            and which yields a quicklime that will set, or form a
            firm, strong mass, under water.
  
      {Hydraulic main} (Gas Works), a horizontal pipe containing
            water at the bottom into which the ends of the pipes from
            the retorts dip, for passing the gas through water in
            order to remove ammonia.
  
      {Hydraulic mining}, a system of mining in which the force of
            a jet of water is used to wash down a bank of gold-bearing
            gravel or earth. [Pacific Coast]
  
      {Hydraulic press}, a hydrostatic press. See under
            {Hydrostatic}.
  
      {Hydraulic propeller}, a device for propelling ships by means
            of a stream of water ejected under water rearward from the
            ship.
  
      {Hydraulic ram}, a machine for raising water by means of the
            energy of the moving water of which a portion is to be
            raised. When the rush of water through the main pipe d
            shuts the valve at a, the momentum of the current thus
            suddenly checked forces part of it into the air chamber b,
            and up the pipe c, its return being prevented by a valve
            at the entrance to the air chamber, while the dropping of
            the valve a by its own weight allows another rush through
            the main pipe, and so on alternately.
  
      {Hydraulic valve}. (Mach.)
      (a) A valve for regulating the distribution of water in the
            cylinders of hydraulic elevators, cranes, etc.
      (b) (Gas Works) An inverted cup with a partition dipping into
            water, for opening or closing communication between two
            gas mains, the open ends of which protrude about the
            water.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Hydraulic \Hy*drau"lic\, a. [F. hydraulique, L. hydraulicus, fr.
      Gr. [?], [?], a water organ; "y`dwr water + [?] flute, pipe.
      See {Hydra}.]
      Of or pertaining to hydraulics, or to fluids in motion;
      conveying, or acting by, water; as, an hydraulic clock,
      crane, or dock.
  
      {Hydraulic accumulator}, an accumulator for hydraulic
            machinery of any kind. See {Accumulator}, 2.
  
      {Hydraulic brake}, a cataract. See {Cataract}, 3.
  
      {Hydraulic cement}, a cement or mortar made of hydraulic
            lime, which will harden under water.
  
      {Hydraulic elevator}, a lift operated by the weight or
            pressure of water.
  
      {Hydraulic jack}. See under {Jack}.
  
      {Hydraulic lime}, quicklime obtained from hydraulic
            limestone, and used for cementing under water, etc.
  
      {Hydraulic limestone}, a limestone which contains some clay,
            and which yields a quicklime that will set, or form a
            firm, strong mass, under water.
  
      {Hydraulic main} (Gas Works), a horizontal pipe containing
            water at the bottom into which the ends of the pipes from
            the retorts dip, for passing the gas through water in
            order to remove ammonia.
  
      {Hydraulic mining}, a system of mining in which the force of
            a jet of water is used to wash down a bank of gold-bearing
            gravel or earth. [Pacific Coast]
  
      {Hydraulic press}, a hydrostatic press. See under
            {Hydrostatic}.
  
      {Hydraulic propeller}, a device for propelling ships by means
            of a stream of water ejected under water rearward from the
            ship.
  
      {Hydraulic ram}, a machine for raising water by means of the
            energy of the moving water of which a portion is to be
            raised. When the rush of water through the main pipe d
            shuts the valve at a, the momentum of the current thus
            suddenly checked forces part of it into the air chamber b,
            and up the pipe c, its return being prevented by a valve
            at the entrance to the air chamber, while the dropping of
            the valve a by its own weight allows another rush through
            the main pipe, and so on alternately.
  
      {Hydraulic valve}. (Mach.)
      (a) A valve for regulating the distribution of water in the
            cylinders of hydraulic elevators, cranes, etc.
      (b) (Gas Works) An inverted cup with a partition dipping into
            water, for opening or closing communication between two
            gas mains, the open ends of which protrude about the
            water.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Cement \Ce*ment"\ (s[ecr]*m[ecr]nt" or s[ecr]m"[ecr]nt), n. [OF.
      cement, ciment, F. ciment, fr. L. caementum a rough, unhewn
      stone, pieces or chips of marble, from which mortar was made,
      contr. fr. caedimentum, fr. caedere to cut, prob. akin to
      scindere to cleave, and to E. shed, v. t.]
      1. Any substance used for making bodies adhere to each other,
            as mortar, glue, etc.
  
      2. A kind of calcined limestone, or a calcined mixture of
            clay and lime, for making mortar which will harden under
            water.
  
      3. The powder used in cementation. See {Cementation}, n., 2.
  
      4. Bond of union; that which unites firmly, as persons in
            friendship, or men in society. [bd]The cement of our
            love.[b8]
  
      5. (Anat.) The layer of bone investing the root and neck of a
            tooth; -- called also {cementum}.
  
      {Hydraulic cement}. See under {Hydraulic}.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Hydraulic \Hy*drau"lic\, a. [F. hydraulique, L. hydraulicus, fr.
      Gr. [?], [?], a water organ; "y`dwr water + [?] flute, pipe.
      See {Hydra}.]
      Of or pertaining to hydraulics, or to fluids in motion;
      conveying, or acting by, water; as, an hydraulic clock,
      crane, or dock.
  
      {Hydraulic accumulator}, an accumulator for hydraulic
            machinery of any kind. See {Accumulator}, 2.
  
      {Hydraulic brake}, a cataract. See {Cataract}, 3.
  
      {Hydraulic cement}, a cement or mortar made of hydraulic
            lime, which will harden under water.
  
      {Hydraulic elevator}, a lift operated by the weight or
            pressure of water.
  
      {Hydraulic jack}. See under {Jack}.
  
      {Hydraulic lime}, quicklime obtained from hydraulic
            limestone, and used for cementing under water, etc.
  
      {Hydraulic limestone}, a limestone which contains some clay,
            and which yields a quicklime that will set, or form a
            firm, strong mass, under water.
  
      {Hydraulic main} (Gas Works), a horizontal pipe containing
            water at the bottom into which the ends of the pipes from
            the retorts dip, for passing the gas through water in
            order to remove ammonia.
  
      {Hydraulic mining}, a system of mining in which the force of
            a jet of water is used to wash down a bank of gold-bearing
            gravel or earth. [Pacific Coast]
  
      {Hydraulic press}, a hydrostatic press. See under
            {Hydrostatic}.
  
      {Hydraulic propeller}, a device for propelling ships by means
            of a stream of water ejected under water rearward from the
            ship.
  
      {Hydraulic ram}, a machine for raising water by means of the
            energy of the moving water of which a portion is to be
            raised. When the rush of water through the main pipe d
            shuts the valve at a, the momentum of the current thus
            suddenly checked forces part of it into the air chamber b,
            and up the pipe c, its return being prevented by a valve
            at the entrance to the air chamber, while the dropping of
            the valve a by its own weight allows another rush through
            the main pipe, and so on alternately.
  
      {Hydraulic valve}. (Mach.)
      (a) A valve for regulating the distribution of water in the
            cylinders of hydraulic elevators, cranes, etc.
      (b) (Gas Works) An inverted cup with a partition dipping into
            water, for opening or closing communication between two
            gas mains, the open ends of which protrude about the
            water.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Dock \Dock\, n. [Akin to D. dok; of uncertain origin; cf. LL.
      doga ditch, L. doga ditch, L. doga sort of vessel, Gr. [?]
      receptacle, fr. [?] to receive.]
      1. An artificial basin or an inclosure in connection with a
            harbor or river, -- used for the reception of vessels, and
            provided with gates for keeping in or shutting out the
            tide.
  
      2. The slip or water way extending between two piers or
            projecting wharves, for the reception of ships; --
            sometimes including the piers themselves; as, to be down
            on the dock.
  
      3. The place in court where a criminal or accused person
            stands.
  
      {Balance dock}, a kind of {floating dock} which is kept level
            by pumping water out of, or letting it into, the
            compartments of side chambers.
  
      {Dry dock}, a dock from which the water may be shut or pumped
            out, especially, one in the form of a chamber having walls
            and floor, often of masonry and communicating with deep
            water, but having appliances for excluding it; -- used in
            constructing or repairing ships. The name includes
            structures used for the examination, repairing, or
            building of vessels, as graving docks, floating docks,
            hydraulic docks, etc.
  
      {Floating dock}, a dock which is made to become buoyant, and,
            by floating, to lift a vessel out of water.
  
      {Graving dock}, a dock for holding a ship for graving or
            cleaning the bottom, etc.
  
      {Hydraulic dock}, a dock in which a vessel is raised clear of
            the water by hydraulic presses.
  
      {Naval dock}, a dock connected with which are naval stores,
            materials, and all conveniences for the construction and
            repair of ships.
  
      {Sectional dock}, a form of {floating dock} made in separate
            sections or caissons.
  
      {Slip dock}, a dock having a sloping floor that extends from
            deep water to above high-water mark, and upon which is a
            railway on which runs a cradle carrying the ship.
  
      {Wet dock}, a dock where the water is shut in, and kept at a
            given level, to facilitate the loading and unloading of
            ships; -- also sometimes used as a place of safety; a
            basin.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Hydraulic \Hy*drau"lic\, a. [F. hydraulique, L. hydraulicus, fr.
      Gr. [?], [?], a water organ; "y`dwr water + [?] flute, pipe.
      See {Hydra}.]
      Of or pertaining to hydraulics, or to fluids in motion;
      conveying, or acting by, water; as, an hydraulic clock,
      crane, or dock.
  
      {Hydraulic accumulator}, an accumulator for hydraulic
            machinery of any kind. See {Accumulator}, 2.
  
      {Hydraulic brake}, a cataract. See {Cataract}, 3.
  
      {Hydraulic cement}, a cement or mortar made of hydraulic
            lime, which will harden under water.
  
      {Hydraulic elevator}, a lift operated by the weight or
            pressure of water.
  
      {Hydraulic jack}. See under {Jack}.
  
      {Hydraulic lime}, quicklime obtained from hydraulic
            limestone, and used for cementing under water, etc.
  
      {Hydraulic limestone}, a limestone which contains some clay,
            and which yields a quicklime that will set, or form a
            firm, strong mass, under water.
  
      {Hydraulic main} (Gas Works), a horizontal pipe containing
            water at the bottom into which the ends of the pipes from
            the retorts dip, for passing the gas through water in
            order to remove ammonia.
  
      {Hydraulic mining}, a system of mining in which the force of
            a jet of water is used to wash down a bank of gold-bearing
            gravel or earth. [Pacific Coast]
  
      {Hydraulic press}, a hydrostatic press. See under
            {Hydrostatic}.
  
      {Hydraulic propeller}, a device for propelling ships by means
            of a stream of water ejected under water rearward from the
            ship.
  
      {Hydraulic ram}, a machine for raising water by means of the
            energy of the moving water of which a portion is to be
            raised. When the rush of water through the main pipe d
            shuts the valve at a, the momentum of the current thus
            suddenly checked forces part of it into the air chamber b,
            and up the pipe c, its return being prevented by a valve
            at the entrance to the air chamber, while the dropping of
            the valve a by its own weight allows another rush through
            the main pipe, and so on alternately.
  
      {Hydraulic valve}. (Mach.)
      (a) A valve for regulating the distribution of water in the
            cylinders of hydraulic elevators, cranes, etc.
      (b) (Gas Works) An inverted cup with a partition dipping into
            water, for opening or closing communication between two
            gas mains, the open ends of which protrude about the
            water.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Governor \Gov"ern*or\, n. [OE. governor, governour, OF.
      governeor, F. gouverneur, fr. L. gubernator steersman, ruler,
      governor. See {Govern}.]
      1. One who governs; especially, one who is invested with the
            supreme executive authority in a State; a chief ruler or
            magistrate; as, the governor of Pennsylvania. [bd]The
            governor of the town.[b8] --Shak.
  
      2. One who has the care or guardianship of a young man; a
            tutor; a guardian.
  
      3. (Naut.) A pilot; a steersman. [R.]
  
      4. (Mach.) A contrivance applied to steam engines, water
            wheels, and other machinery, to maintain nearly uniform
            speed when the resistances and motive force are variable.
  
      Note: The illustration shows a form of governor commonly used
               for steam engines, in wich a heavy sleeve (a) sliding
               on a rapidly revolving spindle (b), driven by the
               engine, is raised or lowered, when the speed varies, by
               the changing centrifugal force of two balls (c c) to
               which it is connected by links (d d), the balls being
               attached to arms (e e) which are jointed to the top of
               the spindle. The sleeve is connected with the throttle
               valve or cut-off through a lever (f), and its motion
               produces a greater supply of steam when the engine runs
               too slowly and a less supply when too fast.
  
      {Governor cut-off} (Steam Engine), a variable cut-off gear in
            which the governor acts in such a way as to cause the
            steam to be cut off from entering the cylinder at points
            of the stroke dependent upon the engine's speed.
  
      {Hydraulic governor} (Mach.), a governor which is operated by
            the action of a liquid in flowing; a cataract.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
  
  
      {Jack rabbit} (Zo[94]l.), any one of several species of large
            American hares, having very large ears and long legs. The
            California species ({Lepus Californicus}), and that of
            Texas and New Mexico ({L. callotis}), have the tail black
            above, and the ears black at the tip. They do not become
            white in winter. The more northern prairie hare ({L.
            campestris}) has the upper side of the tail white, and in
            winter its fur becomes nearly white.
  
      {Jack rafter} (Arch.), in England, one of the shorter rafters
            used in constructing a hip or valley roof; in the United
            States, any secondary roof timber, as the common rafters
            resting on purlins in a trussed roof; also, one of the
            pieces simulating extended rafters, used under the eaves
            in some styles of building.
  
      {Jack salmon} (Zo[94]l.), the wall-eyed pike, or glasseye.
  
      {Jack sauce}, an impudent fellow. [Colloq. & Obs.]
  
      {Jack shaft} (Mach.), the first intermediate shaft, in a
            factory or mill, which receives power, through belts or
            gearing, from a prime mover, and transmits it, by the same
            means, to other intermediate shafts or to a line shaft.
  
      {Jack sinker} (Knitting Mach.), a thin iron plate operated by
            the jack to depress the loop of thread between two
            needles.
  
      {Jack snipe}. (Zo[94]l.) See in the Vocabulary.
  
      {Jack staff} (Naut.), a staff fixed on the bowsprit cap, upon
            which the jack is hoisted.
  
      {Jack timber} (Arch.), any timber, as a rafter, rib, or
            studding, which, being intercepted, is shorter than the
            others.
  
      {Jack towel}, a towel hung on a roller for common use.
  
      {Jack truss} (Arch.), in a hip roof, a minor truss used where
            the roof has not its full section.
  
      {Jack tree}. (Bot.) See 1st {Jack}, n.
  
      {Jack yard} (Naut.), a short spar to extend a topsail beyond
            the gaff.
  
      {Blue jack}, blue vitriol; sulphate of copper.
  
      {Hydraulic jack}, a jack used for lifting, pulling, or
            forcing, consisting of a compact portable hydrostatic
            press, with its pump and a reservoir containing a supply
            of liquid, as oil.
  
      {Jack-at-a-pinch}.
            (a) One called upon to take the place of another in an
                  emergency.
            (b) An itinerant parson who conducts an occasional
                  service for a fee.
  
      {Jack-at-all-trades}, one who can turn his hand to any kind
            of work.
  
      {Jack-by-the-hedge} (Bot.), a plant of the genus {Erysimum}
            ({E. alliaria}, or {Alliaria officinalis}), which grows
            under hedges. It bears a white flower and has a taste not
            unlike garlic. Called also, in England, {sauce-alone}.
            --Eng. Cyc.
  
      {Jack-in-a-box}.
            (a) (Bot.) A tropical tree ({Hernandia sonora}), which
                  bears a drupe that rattles when dry in the inflated
                  calyx.
            (b) A child's toy, consisting of a box, out of which,
                  when the lid is raised, a figure springs.
            (c) (Mech.) An epicyclic train of bevel gears for
                  transmitting rotary motion to two parts in such a
                  manner that their relative rotation may be variable;
                  applied to driving the wheels of tricycles, road
                  locomotives, and to cotton machinery, etc.; an
                  equation box; a jack frame; -- called also
                  {compensating gearing}.
            (d) A large wooden screw turning in a nut attached to the
                  crosspiece of a rude press.
  
      {Jack-in-office}, an insolent fellow in authority. --Wolcott.
  
      {Jack-in-the-bush} (Bot.), a tropical shrub with red fruit
            ({Cordia Cylindrostachya}).
  
      {Jack-in-the-green}, a chimney sweep inclosed in a framework
            of boughs, carried in Mayday processions.
  
      {Jack-in-the-pulpit} (Bot.), the American plant {Aris[91]ma
            triphyllum}, or Indian turnip, in which the upright spadix
            is inclosed.
  
      {Jack-of-the-buttery} (Bot.), the stonecrop ({Sedum acre}).
           
  
      {Jack-of-the-clock}, a figure, usually of a man, on old
            clocks, which struck the time on the bell.
  
      {Jack-on-both-sides}, one who is or tries to be neutral.
  
      {Jack-out-of-office}, one who has been in office and is
            turned out. --Shak.
  
      {Jack the Giant Killer}, the hero of a well-known nursery
            story.
  
      {Jack-with-a-lantern}, {Jack-o'-lantern}.
            (a) An ignis fatuus; a will-o'-the-wisp. [bd][Newspaper
                  speculations] supplying so many more jack-o'-lanterns
                  to the future historian.[b8] --Lowell.
            (b) A lantern made of a pumpkin so prepared as to show in
                  illumination the features of a human face, etc.
  
      {Yellow Jack} (Naut.), the yellow fever; also, the quarantine
            flag. See {Yellow flag}, under {Flag}.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Hydraulic \Hy*drau"lic\, a. [F. hydraulique, L. hydraulicus, fr.
      Gr. [?], [?], a water organ; "y`dwr water + [?] flute, pipe.
      See {Hydra}.]
      Of or pertaining to hydraulics, or to fluids in motion;
      conveying, or acting by, water; as, an hydraulic clock,
      crane, or dock.
  
      {Hydraulic accumulator}, an accumulator for hydraulic
            machinery of any kind. See {Accumulator}, 2.
  
      {Hydraulic brake}, a cataract. See {Cataract}, 3.
  
      {Hydraulic cement}, a cement or mortar made of hydraulic
            lime, which will harden under water.
  
      {Hydraulic elevator}, a lift operated by the weight or
            pressure of water.
  
      {Hydraulic jack}. See under {Jack}.
  
      {Hydraulic lime}, quicklime obtained from hydraulic
            limestone, and used for cementing under water, etc.
  
      {Hydraulic limestone}, a limestone which contains some clay,
            and which yields a quicklime that will set, or form a
            firm, strong mass, under water.
  
      {Hydraulic main} (Gas Works), a horizontal pipe containing
            water at the bottom into which the ends of the pipes from
            the retorts dip, for passing the gas through water in
            order to remove ammonia.
  
      {Hydraulic mining}, a system of mining in which the force of
            a jet of water is used to wash down a bank of gold-bearing
            gravel or earth. [Pacific Coast]
  
      {Hydraulic press}, a hydrostatic press. See under
            {Hydrostatic}.
  
      {Hydraulic propeller}, a device for propelling ships by means
            of a stream of water ejected under water rearward from the
            ship.
  
      {Hydraulic ram}, a machine for raising water by means of the
            energy of the moving water of which a portion is to be
            raised. When the rush of water through the main pipe d
            shuts the valve at a, the momentum of the current thus
            suddenly checked forces part of it into the air chamber b,
            and up the pipe c, its return being prevented by a valve
            at the entrance to the air chamber, while the dropping of
            the valve a by its own weight allows another rush through
            the main pipe, and so on alternately.
  
      {Hydraulic valve}. (Mach.)
      (a) A valve for regulating the distribution of water in the
            cylinders of hydraulic elevators, cranes, etc.
      (b) (Gas Works) An inverted cup with a partition dipping into
            water, for opening or closing communication between two
            gas mains, the open ends of which protrude about the
            water.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Hydraulic \Hy*drau"lic\, a. [F. hydraulique, L. hydraulicus, fr.
      Gr. [?], [?], a water organ; "y`dwr water + [?] flute, pipe.
      See {Hydra}.]
      Of or pertaining to hydraulics, or to fluids in motion;
      conveying, or acting by, water; as, an hydraulic clock,
      crane, or dock.
  
      {Hydraulic accumulator}, an accumulator for hydraulic
            machinery of any kind. See {Accumulator}, 2.
  
      {Hydraulic brake}, a cataract. See {Cataract}, 3.
  
      {Hydraulic cement}, a cement or mortar made of hydraulic
            lime, which will harden under water.
  
      {Hydraulic elevator}, a lift operated by the weight or
            pressure of water.
  
      {Hydraulic jack}. See under {Jack}.
  
      {Hydraulic lime}, quicklime obtained from hydraulic
            limestone, and used for cementing under water, etc.
  
      {Hydraulic limestone}, a limestone which contains some clay,
            and which yields a quicklime that will set, or form a
            firm, strong mass, under water.
  
      {Hydraulic main} (Gas Works), a horizontal pipe containing
            water at the bottom into which the ends of the pipes from
            the retorts dip, for passing the gas through water in
            order to remove ammonia.
  
      {Hydraulic mining}, a system of mining in which the force of
            a jet of water is used to wash down a bank of gold-bearing
            gravel or earth. [Pacific Coast]
  
      {Hydraulic press}, a hydrostatic press. See under
            {Hydrostatic}.
  
      {Hydraulic propeller}, a device for propelling ships by means
            of a stream of water ejected under water rearward from the
            ship.
  
      {Hydraulic ram}, a machine for raising water by means of the
            energy of the moving water of which a portion is to be
            raised. When the rush of water through the main pipe d
            shuts the valve at a, the momentum of the current thus
            suddenly checked forces part of it into the air chamber b,
            and up the pipe c, its return being prevented by a valve
            at the entrance to the air chamber, while the dropping of
            the valve a by its own weight allows another rush through
            the main pipe, and so on alternately.
  
      {Hydraulic valve}. (Mach.)
      (a) A valve for regulating the distribution of water in the
            cylinders of hydraulic elevators, cranes, etc.
      (b) (Gas Works) An inverted cup with a partition dipping into
            water, for opening or closing communication between two
            gas mains, the open ends of which protrude about the
            water.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Hydraulic \Hy*drau"lic\, a. [F. hydraulique, L. hydraulicus, fr.
      Gr. [?], [?], a water organ; "y`dwr water + [?] flute, pipe.
      See {Hydra}.]
      Of or pertaining to hydraulics, or to fluids in motion;
      conveying, or acting by, water; as, an hydraulic clock,
      crane, or dock.
  
      {Hydraulic accumulator}, an accumulator for hydraulic
            machinery of any kind. See {Accumulator}, 2.
  
      {Hydraulic brake}, a cataract. See {Cataract}, 3.
  
      {Hydraulic cement}, a cement or mortar made of hydraulic
            lime, which will harden under water.
  
      {Hydraulic elevator}, a lift operated by the weight or
            pressure of water.
  
      {Hydraulic jack}. See under {Jack}.
  
      {Hydraulic lime}, quicklime obtained from hydraulic
            limestone, and used for cementing under water, etc.
  
      {Hydraulic limestone}, a limestone which contains some clay,
            and which yields a quicklime that will set, or form a
            firm, strong mass, under water.
  
      {Hydraulic main} (Gas Works), a horizontal pipe containing
            water at the bottom into which the ends of the pipes from
            the retorts dip, for passing the gas through water in
            order to remove ammonia.
  
      {Hydraulic mining}, a system of mining in which the force of
            a jet of water is used to wash down a bank of gold-bearing
            gravel or earth. [Pacific Coast]
  
      {Hydraulic press}, a hydrostatic press. See under
            {Hydrostatic}.
  
      {Hydraulic propeller}, a device for propelling ships by means
            of a stream of water ejected under water rearward from the
            ship.
  
      {Hydraulic ram}, a machine for raising water by means of the
            energy of the moving water of which a portion is to be
            raised. When the rush of water through the main pipe d
            shuts the valve at a, the momentum of the current thus
            suddenly checked forces part of it into the air chamber b,
            and up the pipe c, its return being prevented by a valve
            at the entrance to the air chamber, while the dropping of
            the valve a by its own weight allows another rush through
            the main pipe, and so on alternately.
  
      {Hydraulic valve}. (Mach.)
      (a) A valve for regulating the distribution of water in the
            cylinders of hydraulic elevators, cranes, etc.
      (b) (Gas Works) An inverted cup with a partition dipping into
            water, for opening or closing communication between two
            gas mains, the open ends of which protrude about the
            water.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Hydraulic \Hy*drau"lic\, a. [F. hydraulique, L. hydraulicus, fr.
      Gr. [?], [?], a water organ; "y`dwr water + [?] flute, pipe.
      See {Hydra}.]
      Of or pertaining to hydraulics, or to fluids in motion;
      conveying, or acting by, water; as, an hydraulic clock,
      crane, or dock.
  
      {Hydraulic accumulator}, an accumulator for hydraulic
            machinery of any kind. See {Accumulator}, 2.
  
      {Hydraulic brake}, a cataract. See {Cataract}, 3.
  
      {Hydraulic cement}, a cement or mortar made of hydraulic
            lime, which will harden under water.
  
      {Hydraulic elevator}, a lift operated by the weight or
            pressure of water.
  
      {Hydraulic jack}. See under {Jack}.
  
      {Hydraulic lime}, quicklime obtained from hydraulic
            limestone, and used for cementing under water, etc.
  
      {Hydraulic limestone}, a limestone which contains some clay,
            and which yields a quicklime that will set, or form a
            firm, strong mass, under water.
  
      {Hydraulic main} (Gas Works), a horizontal pipe containing
            water at the bottom into which the ends of the pipes from
            the retorts dip, for passing the gas through water in
            order to remove ammonia.
  
      {Hydraulic mining}, a system of mining in which the force of
            a jet of water is used to wash down a bank of gold-bearing
            gravel or earth. [Pacific Coast]
  
      {Hydraulic press}, a hydrostatic press. See under
            {Hydrostatic}.
  
      {Hydraulic propeller}, a device for propelling ships by means
            of a stream of water ejected under water rearward from the
            ship.
  
      {Hydraulic ram}, a machine for raising water by means of the
            energy of the moving water of which a portion is to be
            raised. When the rush of water through the main pipe d
            shuts the valve at a, the momentum of the current thus
            suddenly checked forces part of it into the air chamber b,
            and up the pipe c, its return being prevented by a valve
            at the entrance to the air chamber, while the dropping of
            the valve a by its own weight allows another rush through
            the main pipe, and so on alternately.
  
      {Hydraulic valve}. (Mach.)
      (a) A valve for regulating the distribution of water in the
            cylinders of hydraulic elevators, cranes, etc.
      (b) (Gas Works) An inverted cup with a partition dipping into
            water, for opening or closing communication between two
            gas mains, the open ends of which protrude about the
            water.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Hydraulic \Hy*drau"lic\, a. [F. hydraulique, L. hydraulicus, fr.
      Gr. [?], [?], a water organ; "y`dwr water + [?] flute, pipe.
      See {Hydra}.]
      Of or pertaining to hydraulics, or to fluids in motion;
      conveying, or acting by, water; as, an hydraulic clock,
      crane, or dock.
  
      {Hydraulic accumulator}, an accumulator for hydraulic
            machinery of any kind. See {Accumulator}, 2.
  
      {Hydraulic brake}, a cataract. See {Cataract}, 3.
  
      {Hydraulic cement}, a cement or mortar made of hydraulic
            lime, which will harden under water.
  
      {Hydraulic elevator}, a lift operated by the weight or
            pressure of water.
  
      {Hydraulic jack}. See under {Jack}.
  
      {Hydraulic lime}, quicklime obtained from hydraulic
            limestone, and used for cementing under water, etc.
  
      {Hydraulic limestone}, a limestone which contains some clay,
            and which yields a quicklime that will set, or form a
            firm, strong mass, under water.
  
      {Hydraulic main} (Gas Works), a horizontal pipe containing
            water at the bottom into which the ends of the pipes from
            the retorts dip, for passing the gas through water in
            order to remove ammonia.
  
      {Hydraulic mining}, a system of mining in which the force of
            a jet of water is used to wash down a bank of gold-bearing
            gravel or earth. [Pacific Coast]
  
      {Hydraulic press}, a hydrostatic press. See under
            {Hydrostatic}.
  
      {Hydraulic propeller}, a device for propelling ships by means
            of a stream of water ejected under water rearward from the
            ship.
  
      {Hydraulic ram}, a machine for raising water by means of the
            energy of the moving water of which a portion is to be
            raised. When the rush of water through the main pipe d
            shuts the valve at a, the momentum of the current thus
            suddenly checked forces part of it into the air chamber b,
            and up the pipe c, its return being prevented by a valve
            at the entrance to the air chamber, while the dropping of
            the valve a by its own weight allows another rush through
            the main pipe, and so on alternately.
  
      {Hydraulic valve}. (Mach.)
      (a) A valve for regulating the distribution of water in the
            cylinders of hydraulic elevators, cranes, etc.
      (b) (Gas Works) An inverted cup with a partition dipping into
            water, for opening or closing communication between two
            gas mains, the open ends of which protrude about the
            water.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Hydrostatic \Hy`dro*stat"ic\, Hydrostatical \Hy`dro*stat"ic*al\,
      a. [Hydro-, 1 + Gr. [?] causing to stand: cf. F.
      hydrostatique. See {Static}.]
      Of or relating to hydrostatics; pertaining to, or in
      accordance with, the principles of the equilibrium of fluids.
  
               The first discovery made in hydrostatics since the time
               of Archimedes is due to Stevinus.            --Hallam.
  
      {Hydrostatic balance}, a balance for weighing substances in
            water, for the purpose of ascertaining their specific
            gravities.
  
      {Hydrostatic bed}, a water bed.
  
      {Hydrostatic bellows}, an apparatus consisting of a
            water-tight bellowslike case with a long, upright tube,
            into which water may be poured to illustrate the
            hydrostatic paradox.
  
      {Hydrostatic paradox}, the proposition in hydrostatics that
            any quantity of water, however small, may be made to
            counterbalance any weight, however great; or the law of
            the equality of pressure of fluids in all directions.
  
      {Hydrostatic press}, a machine in which great force, with
            slow motion, is communicated to a large plunger by means
            of water forced into the cylinder in which it moves, by a
            forcing pump of small diameter, to which the power is
            applied, the principle involved being the same as in the
            hydrostatic bellows. Also called {hydraulic press}, and
            {Bramah press}. In the illustration, a is a pump with a
            small plunger b, which forces the water into the cylinder
            c, thus driving upward the large plunder d, which performs
            the reduced work, such as compressing cotton bales, etc.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Hydraulic \Hy*drau"lic\, a. [F. hydraulique, L. hydraulicus, fr.
      Gr. [?], [?], a water organ; "y`dwr water + [?] flute, pipe.
      See {Hydra}.]
      Of or pertaining to hydraulics, or to fluids in motion;
      conveying, or acting by, water; as, an hydraulic clock,
      crane, or dock.
  
      {Hydraulic accumulator}, an accumulator for hydraulic
            machinery of any kind. See {Accumulator}, 2.
  
      {Hydraulic brake}, a cataract. See {Cataract}, 3.
  
      {Hydraulic cement}, a cement or mortar made of hydraulic
            lime, which will harden under water.
  
      {Hydraulic elevator}, a lift operated by the weight or
            pressure of water.
  
      {Hydraulic jack}. See under {Jack}.
  
      {Hydraulic lime}, quicklime obtained from hydraulic
            limestone, and used for cementing under water, etc.
  
      {Hydraulic limestone}, a limestone which contains some clay,
            and which yields a quicklime that will set, or form a
            firm, strong mass, under water.
  
      {Hydraulic main} (Gas Works), a horizontal pipe containing
            water at the bottom into which the ends of the pipes from
            the retorts dip, for passing the gas through water in
            order to remove ammonia.
  
      {Hydraulic mining}, a system of mining in which the force of
            a jet of water is used to wash down a bank of gold-bearing
            gravel or earth. [Pacific Coast]
  
      {Hydraulic press}, a hydrostatic press. See under
            {Hydrostatic}.
  
      {Hydraulic propeller}, a device for propelling ships by means
            of a stream of water ejected under water rearward from the
            ship.
  
      {Hydraulic ram}, a machine for raising water by means of the
            energy of the moving water of which a portion is to be
            raised. When the rush of water through the main pipe d
            shuts the valve at a, the momentum of the current thus
            suddenly checked forces part of it into the air chamber b,
            and up the pipe c, its return being prevented by a valve
            at the entrance to the air chamber, while the dropping of
            the valve a by its own weight allows another rush through
            the main pipe, and so on alternately.
  
      {Hydraulic valve}. (Mach.)
      (a) A valve for regulating the distribution of water in the
            cylinders of hydraulic elevators, cranes, etc.
      (b) (Gas Works) An inverted cup with a partition dipping into
            water, for opening or closing communication between two
            gas mains, the open ends of which protrude about the
            water.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Hydrostatic \Hy`dro*stat"ic\, Hydrostatical \Hy`dro*stat"ic*al\,
      a. [Hydro-, 1 + Gr. [?] causing to stand: cf. F.
      hydrostatique. See {Static}.]
      Of or relating to hydrostatics; pertaining to, or in
      accordance with, the principles of the equilibrium of fluids.
  
               The first discovery made in hydrostatics since the time
               of Archimedes is due to Stevinus.            --Hallam.
  
      {Hydrostatic balance}, a balance for weighing substances in
            water, for the purpose of ascertaining their specific
            gravities.
  
      {Hydrostatic bed}, a water bed.
  
      {Hydrostatic bellows}, an apparatus consisting of a
            water-tight bellowslike case with a long, upright tube,
            into which water may be poured to illustrate the
            hydrostatic paradox.
  
      {Hydrostatic paradox}, the proposition in hydrostatics that
            any quantity of water, however small, may be made to
            counterbalance any weight, however great; or the law of
            the equality of pressure of fluids in all directions.
  
      {Hydrostatic press}, a machine in which great force, with
            slow motion, is communicated to a large plunger by means
            of water forced into the cylinder in which it moves, by a
            forcing pump of small diameter, to which the power is
            applied, the principle involved being the same as in the
            hydrostatic bellows. Also called {hydraulic press}, and
            {Bramah press}. In the illustration, a is a pump with a
            small plunger b, which forces the water into the cylinder
            c, thus driving upward the large plunder d, which performs
            the reduced work, such as compressing cotton bales, etc.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Hydraulic \Hy*drau"lic\, a. [F. hydraulique, L. hydraulicus, fr.
      Gr. [?], [?], a water organ; "y`dwr water + [?] flute, pipe.
      See {Hydra}.]
      Of or pertaining to hydraulics, or to fluids in motion;
      conveying, or acting by, water; as, an hydraulic clock,
      crane, or dock.
  
      {Hydraulic accumulator}, an accumulator for hydraulic
            machinery of any kind. See {Accumulator}, 2.
  
      {Hydraulic brake}, a cataract. See {Cataract}, 3.
  
      {Hydraulic cement}, a cement or mortar made of hydraulic
            lime, which will harden under water.
  
      {Hydraulic elevator}, a lift operated by the weight or
            pressure of water.
  
      {Hydraulic jack}. See under {Jack}.
  
      {Hydraulic lime}, quicklime obtained from hydraulic
            limestone, and used for cementing under water, etc.
  
      {Hydraulic limestone}, a limestone which contains some clay,
            and which yields a quicklime that will set, or form a
            firm, strong mass, under water.
  
      {Hydraulic main} (Gas Works), a horizontal pipe containing
            water at the bottom into which the ends of the pipes from
            the retorts dip, for passing the gas through water in
            order to remove ammonia.
  
      {Hydraulic mining}, a system of mining in which the force of
            a jet of water is used to wash down a bank of gold-bearing
            gravel or earth. [Pacific Coast]
  
      {Hydraulic press}, a hydrostatic press. See under
            {Hydrostatic}.
  
      {Hydraulic propeller}, a device for propelling ships by means
            of a stream of water ejected under water rearward from the
            ship.
  
      {Hydraulic ram}, a machine for raising water by means of the
            energy of the moving water of which a portion is to be
            raised. When the rush of water through the main pipe d
            shuts the valve at a, the momentum of the current thus
            suddenly checked forces part of it into the air chamber b,
            and up the pipe c, its return being prevented by a valve
            at the entrance to the air chamber, while the dropping of
            the valve a by its own weight allows another rush through
            the main pipe, and so on alternately.
  
      {Hydraulic valve}. (Mach.)
      (a) A valve for regulating the distribution of water in the
            cylinders of hydraulic elevators, cranes, etc.
      (b) (Gas Works) An inverted cup with a partition dipping into
            water, for opening or closing communication between two
            gas mains, the open ends of which protrude about the
            water.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Hydraulic \Hy*drau"lic\, a. [F. hydraulique, L. hydraulicus, fr.
      Gr. [?], [?], a water organ; "y`dwr water + [?] flute, pipe.
      See {Hydra}.]
      Of or pertaining to hydraulics, or to fluids in motion;
      conveying, or acting by, water; as, an hydraulic clock,
      crane, or dock.
  
      {Hydraulic accumulator}, an accumulator for hydraulic
            machinery of any kind. See {Accumulator}, 2.
  
      {Hydraulic brake}, a cataract. See {Cataract}, 3.
  
      {Hydraulic cement}, a cement or mortar made of hydraulic
            lime, which will harden under water.
  
      {Hydraulic elevator}, a lift operated by the weight or
            pressure of water.
  
      {Hydraulic jack}. See under {Jack}.
  
      {Hydraulic lime}, quicklime obtained from hydraulic
            limestone, and used for cementing under water, etc.
  
      {Hydraulic limestone}, a limestone which contains some clay,
            and which yields a quicklime that will set, or form a
            firm, strong mass, under water.
  
      {Hydraulic main} (Gas Works), a horizontal pipe containing
            water at the bottom into which the ends of the pipes from
            the retorts dip, for passing the gas through water in
            order to remove ammonia.
  
      {Hydraulic mining}, a system of mining in which the force of
            a jet of water is used to wash down a bank of gold-bearing
            gravel or earth. [Pacific Coast]
  
      {Hydraulic press}, a hydrostatic press. See under
            {Hydrostatic}.
  
      {Hydraulic propeller}, a device for propelling ships by means
            of a stream of water ejected under water rearward from the
            ship.
  
      {Hydraulic ram}, a machine for raising water by means of the
            energy of the moving water of which a portion is to be
            raised. When the rush of water through the main pipe d
            shuts the valve at a, the momentum of the current thus
            suddenly checked forces part of it into the air chamber b,
            and up the pipe c, its return being prevented by a valve
            at the entrance to the air chamber, while the dropping of
            the valve a by its own weight allows another rush through
            the main pipe, and so on alternately.
  
      {Hydraulic valve}. (Mach.)
      (a) A valve for regulating the distribution of water in the
            cylinders of hydraulic elevators, cranes, etc.
      (b) (Gas Works) An inverted cup with a partition dipping into
            water, for opening or closing communication between two
            gas mains, the open ends of which protrude about the
            water.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Hydraulic \Hy*drau"lic\, a. [F. hydraulique, L. hydraulicus, fr.
      Gr. [?], [?], a water organ; "y`dwr water + [?] flute, pipe.
      See {Hydra}.]
      Of or pertaining to hydraulics, or to fluids in motion;
      conveying, or acting by, water; as, an hydraulic clock,
      crane, or dock.
  
      {Hydraulic accumulator}, an accumulator for hydraulic
            machinery of any kind. See {Accumulator}, 2.
  
      {Hydraulic brake}, a cataract. See {Cataract}, 3.
  
      {Hydraulic cement}, a cement or mortar made of hydraulic
            lime, which will harden under water.
  
      {Hydraulic elevator}, a lift operated by the weight or
            pressure of water.
  
      {Hydraulic jack}. See under {Jack}.
  
      {Hydraulic lime}, quicklime obtained from hydraulic
            limestone, and used for cementing under water, etc.
  
      {Hydraulic limestone}, a limestone which contains some clay,
            and which yields a quicklime that will set, or form a
            firm, strong mass, under water.
  
      {Hydraulic main} (Gas Works), a horizontal pipe containing
            water at the bottom into which the ends of the pipes from
            the retorts dip, for passing the gas through water in
            order to remove ammonia.
  
      {Hydraulic mining}, a system of mining in which the force of
            a jet of water is used to wash down a bank of gold-bearing
            gravel or earth. [Pacific Coast]
  
      {Hydraulic press}, a hydrostatic press. See under
            {Hydrostatic}.
  
      {Hydraulic propeller}, a device for propelling ships by means
            of a stream of water ejected under water rearward from the
            ship.
  
      {Hydraulic ram}, a machine for raising water by means of the
            energy of the moving water of which a portion is to be
            raised. When the rush of water through the main pipe d
            shuts the valve at a, the momentum of the current thus
            suddenly checked forces part of it into the air chamber b,
            and up the pipe c, its return being prevented by a valve
            at the entrance to the air chamber, while the dropping of
            the valve a by its own weight allows another rush through
            the main pipe, and so on alternately.
  
      {Hydraulic valve}. (Mach.)
      (a) A valve for regulating the distribution of water in the
            cylinders of hydraulic elevators, cranes, etc.
      (b) (Gas Works) An inverted cup with a partition dipping into
            water, for opening or closing communication between two
            gas mains, the open ends of which protrude about the
            water.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Hydraulic \Hy*drau"lic\, a. [F. hydraulique, L. hydraulicus, fr.
      Gr. [?], [?], a water organ; "y`dwr water + [?] flute, pipe.
      See {Hydra}.]
      Of or pertaining to hydraulics, or to fluids in motion;
      conveying, or acting by, water; as, an hydraulic clock,
      crane, or dock.
  
      {Hydraulic accumulator}, an accumulator for hydraulic
            machinery of any kind. See {Accumulator}, 2.
  
      {Hydraulic brake}, a cataract. See {Cataract}, 3.
  
      {Hydraulic cement}, a cement or mortar made of hydraulic
            lime, which will harden under water.
  
      {Hydraulic elevator}, a lift operated by the weight or
            pressure of water.
  
      {Hydraulic jack}. See under {Jack}.
  
      {Hydraulic lime}, quicklime obtained from hydraulic
            limestone, and used for cementing under water, etc.
  
      {Hydraulic limestone}, a limestone which contains some clay,
            and which yields a quicklime that will set, or form a
            firm, strong mass, under water.
  
      {Hydraulic main} (Gas Works), a horizontal pipe containing
            water at the bottom into which the ends of the pipes from
            the retorts dip, for passing the gas through water in
            order to remove ammonia.
  
      {Hydraulic mining}, a system of mining in which the force of
            a jet of water is used to wash down a bank of gold-bearing
            gravel or earth. [Pacific Coast]
  
      {Hydraulic press}, a hydrostatic press. See under
            {Hydrostatic}.
  
      {Hydraulic propeller}, a device for propelling ships by means
            of a stream of water ejected under water rearward from the
            ship.
  
      {Hydraulic ram}, a machine for raising water by means of the
            energy of the moving water of which a portion is to be
            raised. When the rush of water through the main pipe d
            shuts the valve at a, the momentum of the current thus
            suddenly checked forces part of it into the air chamber b,
            and up the pipe c, its return being prevented by a valve
            at the entrance to the air chamber, while the dropping of
            the valve a by its own weight allows another rush through
            the main pipe, and so on alternately.
  
      {Hydraulic valve}. (Mach.)
      (a) A valve for regulating the distribution of water in the
            cylinders of hydraulic elevators, cranes, etc.
      (b) (Gas Works) An inverted cup with a partition dipping into
            water, for opening or closing communication between two
            gas mains, the open ends of which protrude about the
            water.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Hydraulical \Hy*drau"lic*al\, a.
      Hydraulic.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Hydraulicon \Hy*drau"li*con\, n. [NL. See {Hydraulic}.] (Mus.)
      An ancient musical instrument played by the action of water;
      a water organ. [Written also {hydraulis}.]

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Mechanics \Me*chan"ics\, n. [Cf. F. m[82]canique.]
      That science, or branch of applied mathematics, which treats
      of the action of forces on bodies.
  
      Note: That part of mechanics which considers the action of
               forces in producing rest or equilibrium is called
               {statics}; that which relates to such action in
               producing motion is called {dynamics}. The term
               mechanics includes the action of forces on all bodies,
               whether solid, liquid, or gaseous. It is sometimes,
               however, and formerly was often, used distinctively of
               solid bodies only: The mechanics of liquid bodies is
               called also {hydrostatics}, or {hydrodynamics},
               according as the laws of rest or of motion are
               considered. The mechanics of gaseous bodies is called
               also {pneumatics}. The mechanics of fluids in motion,
               with special reference to the methods of obtaining from
               them useful results, constitutes {hydraulics}.
  
      {Animal mechanics} (Physiol.), that portion of physiology
            which has for its object the investigation of the laws of
            equilibrium and motion in the animal body. The most
            important mechanical principle is that of the lever, the
            bones forming the arms of the levers, the contractile
            muscles the power, the joints the fulcra or points of
            support, while the weight of the body or of the individual
            limbs constitutes the weight or resistance.
  
      {Applied mechanics}, the principles of abstract mechanics
            applied to human art; also, the practical application of
            the laws of matter and motion to the construction of
            machines and structures of all kinds.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Hydraulics \Hy*drau"lics\, n. [Cf. F. hydraulique.]
      That branch of science, or of engineering, which treats of
      fluids in motion, especially of water, its action in rivers
      and canals, the works and machinery for conducting or raising
      it, its use as a prime mover, and the like.
  
      Note: As a science, hydraulics includes hydrodynamics, or the
               principles of mechanics applicable to the motion of
               water; as a branch of engineering, it consists in the
               practical application of the mechanics of fluids to the
               control and management of water with reference to the
               wants of man, including canals, waterworks, hydraulic
               machines, pumps, water wheels, etc. Some writers treat
               hydraulics and hydrostatics as subdivisions of
               hydrodynamics.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Mechanics \Me*chan"ics\, n. [Cf. F. m[82]canique.]
      That science, or branch of applied mathematics, which treats
      of the action of forces on bodies.
  
      Note: That part of mechanics which considers the action of
               forces in producing rest or equilibrium is called
               {statics}; that which relates to such action in
               producing motion is called {dynamics}. The term
               mechanics includes the action of forces on all bodies,
               whether solid, liquid, or gaseous. It is sometimes,
               however, and formerly was often, used distinctively of
               solid bodies only: The mechanics of liquid bodies is
               called also {hydrostatics}, or {hydrodynamics},
               according as the laws of rest or of motion are
               considered. The mechanics of gaseous bodies is called
               also {pneumatics}. The mechanics of fluids in motion,
               with special reference to the methods of obtaining from
               them useful results, constitutes {hydraulics}.
  
      {Animal mechanics} (Physiol.), that portion of physiology
            which has for its object the investigation of the laws of
            equilibrium and motion in the animal body. The most
            important mechanical principle is that of the lever, the
            bones forming the arms of the levers, the contractile
            muscles the power, the joints the fulcra or points of
            support, while the weight of the body or of the individual
            limbs constitutes the weight or resistance.
  
      {Applied mechanics}, the principles of abstract mechanics
            applied to human art; also, the practical application of
            the laws of matter and motion to the construction of
            machines and structures of all kinds.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Hydraulics \Hy*drau"lics\, n. [Cf. F. hydraulique.]
      That branch of science, or of engineering, which treats of
      fluids in motion, especially of water, its action in rivers
      and canals, the works and machinery for conducting or raising
      it, its use as a prime mover, and the like.
  
      Note: As a science, hydraulics includes hydrodynamics, or the
               principles of mechanics applicable to the motion of
               water; as a branch of engineering, it consists in the
               practical application of the mechanics of fluids to the
               control and management of water with reference to the
               wants of man, including canals, waterworks, hydraulic
               machines, pumps, water wheels, etc. Some writers treat
               hydraulics and hydrostatics as subdivisions of
               hydrodynamics.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Hydraulicon \Hy*drau"li*con\, n. [NL. See {Hydraulic}.] (Mus.)
      An ancient musical instrument played by the action of water;
      a water organ. [Written also {hydraulis}.]

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Hydro-electric \Hy`dro-e*lec"tric\, a. [Hydro-, 1 + electric.]
      Pertaining to, employed in, or produced by, the evolution of
      electricity by means of a battery in which water or steam is
      used.
  
      {Hydro-electric machine} (Physics), an apparatus invented by
            Sir William Armstrong of England for generating
            electricity by the escape of high-pressure steam from a
            series of jets connected with a strong boiler, in which
            the steam is produced.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Hydro-electric \Hy`dro-e*lec"tric\, a. [Hydro-, 1 + electric.]
      Pertaining to, employed in, or produced by, the evolution of
      electricity by means of a battery in which water or steam is
      used.
  
      {Hydro-electric machine} (Physics), an apparatus invented by
            Sir William Armstrong of England for generating
            electricity by the escape of high-pressure steam from a
            series of jets connected with a strong boiler, in which
            the steam is produced.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Hydrological \Hy`dro*log"ic*al\, a.
      Of or pertaining to hydrology.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Hydrologist \Hy*drol"o*gist\, n.
      One skilled in hydrology.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Hydrology \Hy*drol"o*gy\, n. [Hydro-, 1 + -logy: cf. F.
      hydrologie.]
      The science of water, its properties, phenomena, and
      distribution over the earth's surface.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Hydrolysis \Hy*drol"y*sis\, n. [Hydro-, 1 + -lysis.] (Chem.)
      A chemical process involving the addition of the elements of
      water.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Hydrolytic \Hy`dro*lyt"ic\, a. [Hydro-, 1 + Gr. [?] to loose.]
      (Chem.)
      Tending to remove or separate water; eliminating water.
  
               Hydrolytic agents, such as sulphuric acid or caustic
               alkali.                                                   --Encyc. Brit.
  
      {Hydrolytic ferment} (Physiol. Chem.), a ferment, enzyme, or
            chemical ferment, which acts only in the presence of
            water, and which causes the substance acted upon to take
            up a molecule of water. Thus, diastase of malt, ptyalin of
            saliva, and boiling dilute sulphuric acid all convert
            starch by hydration into dextrin and sugar. Nearly all of
            the digestive ferments are hydrolytic in their action.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Hydrolytic \Hy`dro*lyt"ic\, a. [Hydro-, 1 + Gr. [?] to loose.]
      (Chem.)
      Tending to remove or separate water; eliminating water.
  
               Hydrolytic agents, such as sulphuric acid or caustic
               alkali.                                                   --Encyc. Brit.
  
      {Hydrolytic ferment} (Physiol. Chem.), a ferment, enzyme, or
            chemical ferment, which acts only in the presence of
            water, and which causes the substance acted upon to take
            up a molecule of water. Thus, diastase of malt, ptyalin of
            saliva, and boiling dilute sulphuric acid all convert
            starch by hydration into dextrin and sugar. Nearly all of
            the digestive ferments are hydrolytic in their action.
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