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   paddle steamer
         n 1: a steam vessel propelled by paddle wheels [syn: {paddle
               steamer}, {paddle-wheeler}]

English Dictionary: Phytolacca americana by the DICT Development Group
From WordNet (r) 3.0 (2006) [wn]:
paddle-shaped
adj
  1. shaped in the form of a paddle; "paddle-shaped fins"
From WordNet (r) 3.0 (2006) [wn]:
padlock
n
  1. a detachable lock; has a hinged shackle that can be passed through the staple of a hasp or the links in a chain and then snapped shut
v
  1. fasten with a padlock
From WordNet (r) 3.0 (2006) [wn]:
pathless
adj
  1. lacking pathways; "trackless wilderness"; "roadless areas"
    Synonym(s): pathless, roadless, trackless, untracked, untrod, untrodden
From WordNet (r) 3.0 (2006) [wn]:
pathologic
adj
  1. caused by or altered by or manifesting disease or pathology; "diseased tonsils"; "a morbid growth"; "pathologic tissue"; "pathological bodily processes"
    Synonym(s): diseased, morbid, pathologic, pathological
  2. of or relating to the practice of pathology; "pathological laboratory"
    Synonym(s): pathological, pathologic
From WordNet (r) 3.0 (2006) [wn]:
pathologic process
n
  1. an organic process occurring as a consequence of disease
    Synonym(s): pathologic process, pathological process
From WordNet (r) 3.0 (2006) [wn]:
pathological
adj
  1. of or relating to the practice of pathology; "pathological laboratory"
    Synonym(s): pathological, pathologic
  2. caused by or evidencing a mentally disturbed condition; "a pathological liar"; "a pathological urge to succeed"
  3. caused by or altered by or manifesting disease or pathology; "diseased tonsils"; "a morbid growth"; "pathologic tissue"; "pathological bodily processes"
    Synonym(s): diseased, morbid, pathologic, pathological
From WordNet (r) 3.0 (2006) [wn]:
pathological process
n
  1. an organic process occurring as a consequence of disease
    Synonym(s): pathologic process, pathological process
From WordNet (r) 3.0 (2006) [wn]:
pathological state
n
  1. a physical condition that is caused by disease
From WordNet (r) 3.0 (2006) [wn]:
pathologically
adv
  1. with respect to pathology; "pathologically interesting results"
From WordNet (r) 3.0 (2006) [wn]:
pathologist
n
  1. a doctor who specializes in medical diagnosis [syn: diagnostician, pathologist]
From WordNet (r) 3.0 (2006) [wn]:
pathology
n
  1. the branch of medical science that studies the causes and nature and effects of diseases
  2. any deviation from a healthy or normal condition
From WordNet (r) 3.0 (2006) [wn]:
pedal extremity
n
  1. the extremity of the limb in vertebrates [syn: {vertebrate foot}, pedal extremity]
From WordNet (r) 3.0 (2006) [wn]:
Pedaliaceae
n
  1. the family of plants of order Polemoniales [syn: Pedaliaceae, family Pedaliaceae, sesame family]
From WordNet (r) 3.0 (2006) [wn]:
pedology
n
  1. the branch of medicine concerned with the treatment of infants and children
    Synonym(s): pediatrics, paediatrics, pediatric medicine, pedology
From WordNet (r) 3.0 (2006) [wn]:
petal-like
adj
  1. resembling a petal
    Synonym(s): petallike, petal-like
From WordNet (r) 3.0 (2006) [wn]:
petalless
adj
  1. (of flowers) having no petals [syn: apetalous, petalless]
    Antonym(s): petaled, petalled, petalous
From WordNet (r) 3.0 (2006) [wn]:
petallike
adj
  1. resembling a petal
    Synonym(s): petallike, petal-like
From WordNet (r) 3.0 (2006) [wn]:
petalous
adj
  1. (of flowers) having petals [syn: petalous, petaled, petalled]
    Antonym(s): apetalous, petalless
From WordNet (r) 3.0 (2006) [wn]:
photalgia
n
  1. pain in the eye resulting from exposure to bright light (often associated with albinism)
    Synonym(s): photalgia, photophobia
From WordNet (r) 3.0 (2006) [wn]:
photoelectric
adj
  1. of or pertaining to photoelectricity; "the photoelectric effect"
    Synonym(s): photoelectric, photoelectrical
From WordNet (r) 3.0 (2006) [wn]:
photoelectric cell
n
  1. a transducer used to detect and measure light and other radiations
    Synonym(s): photoelectric cell, photoconductive cell, photocell, electric eye, magic eye
From WordNet (r) 3.0 (2006) [wn]:
photoelectric emission
n
  1. the release or absorption of quanta above a certain energy level
From WordNet (r) 3.0 (2006) [wn]:
photoelectrical
adj
  1. of or pertaining to photoelectricity; "the photoelectric effect"
    Synonym(s): photoelectric, photoelectrical
From WordNet (r) 3.0 (2006) [wn]:
photoelectrically
adv
  1. by photoelectric means; "they measured it photoelectrically"
From WordNet (r) 3.0 (2006) [wn]:
photoelectricity
n
  1. electricity generated by light or affected by light
From WordNet (r) 3.0 (2006) [wn]:
photoelectron
n
  1. an electron that is emitted from an atom or molecule by an incident photon
From WordNet (r) 3.0 (2006) [wn]:
phthalic acid
n
  1. a colorless acid used to make dyes and perfumes
From WordNet (r) 3.0 (2006) [wn]:
phthalic anhydride
n
  1. a white cyclic anhydride
From WordNet (r) 3.0 (2006) [wn]:
Phytolacca
n
  1. type genus of Phytolaccaceae: pokeweed [syn: Phytolacca, genus Phytolacca]
From WordNet (r) 3.0 (2006) [wn]:
Phytolacca acinosa
n
  1. pokeweed of southeastern Asia and China [syn: {Indian poke}, Phytolacca acinosa]
From WordNet (r) 3.0 (2006) [wn]:
Phytolacca americana
n
  1. tall coarse perennial American herb having small white flowers followed by blackish-red berries on long drooping racemes; young fleshy stems are edible; berries and root are poisonous
    Synonym(s): poke, pigeon berry, garget, scoke, Phytolacca americana
From WordNet (r) 3.0 (2006) [wn]:
Phytolacca dioica
n
  1. fast-growing herbaceous evergreen tree of South America having a broad trunk with high water content and dark green oval leaves
    Synonym(s): ombu, bella sombra, Phytolacca dioica
From WordNet (r) 3.0 (2006) [wn]:
Phytolaccaceae
n
  1. chiefly tropical herbaceous plants (including shrubs and trees) with racemose flowers: genera Phytolacca, Agdestis, Ercilla, Rivina, Trichostigma
    Synonym(s): Phytolaccaceae, family Phytolaccaceae, pokeweed family
From WordNet (r) 3.0 (2006) [wn]:
phytologist
n
  1. a biologist specializing in the study of plants [syn: botanist, phytologist, plant scientist]
From WordNet (r) 3.0 (2006) [wn]:
phytology
n
  1. the branch of biology that studies plants [syn: botany, phytology]
From WordNet (r) 3.0 (2006) [wn]:
pitiless
adj
  1. without mercy or pity; "an act of ruthless ferocity"; "a monster of remorseless cruelty"
    Synonym(s): pitiless, remorseless, ruthless, unpitying
  2. deficient in humane and kindly feelings
    Synonym(s): pitiless, unkind
From WordNet (r) 3.0 (2006) [wn]:
pitilessly
adv
  1. without pity; in a merciless manner; "he was mercilessly trounced by his opponent in the House"
    Synonym(s): mercilessly, pitilessly, unmercifully, remorselessly
From WordNet (r) 3.0 (2006) [wn]:
pitilessness
n
  1. feelings of extreme heartlessness [syn: cruelty, mercilessness, pitilessness, ruthlessness]
  2. mercilessness characterized by a lack of pity
    Synonym(s): pitilessness, ruthlessness
From WordNet (r) 3.0 (2006) [wn]:
podalgia
n
  1. foot pain
From WordNet (r) 3.0 (2006) [wn]:
podlike
adj
  1. resembling a pod
From WordNet (r) 3.0 (2006) [wn]:
pot likker
n
  1. the liquid in which vegetables or meat have be cooked [syn: liquor, pot liquor, pot likker]
From WordNet (r) 3.0 (2006) [wn]:
pot liquor
n
  1. the liquid in which vegetables or meat have be cooked [syn: liquor, pot liquor, pot likker]
From WordNet (r) 3.0 (2006) [wn]:
potluck
n
  1. whatever happens to be available especially when offered to an unexpected guest or when brought by guests and shared by all; "having arrived unannounced we had to take potluck"; "a potluck supper"
From WordNet (r) 3.0 (2006) [wn]:
Ptilocercus
n
  1. pentails
    Synonym(s): Ptilocercus, genus Ptilocercus
From WordNet (r) 3.0 (2006) [wn]:
Ptilocrinus
n
  1. sea lilies
    Synonym(s): Ptilocrinus, genus Ptilocrinus
From WordNet (r) 3.0 (2006) [wn]:
ptyalise
v
  1. expel or eject (saliva or phlegm or sputum) from the mouth; "The father of the victim spat at the alleged murderer"
    Synonym(s): spit, ptyalize, ptyalise, spew, spue
From WordNet (r) 3.0 (2006) [wn]:
ptyalism
n
  1. excessive flow of saliva
From WordNet (r) 3.0 (2006) [wn]:
ptyalize
v
  1. expel or eject (saliva or phlegm or sputum) from the mouth; "The father of the victim spat at the alleged murderer"
    Synonym(s): spit, ptyalize, ptyalise, spew, spue
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Paddle \Pad"dle\, n. [See {Paddle}, v. i.]
      1. An implement with a broad blade, which is used without a
            fixed fulcrum in propelling and steering canoes and boats.
  
      2. The broad part of a paddle, with which the stroke is made;
            hence, any short, broad blade, resembling that of a
            paddle.
  
                     Thou shalt have a paddle upon thy weapon. --Deut.
                                                                              xxiii. 13.
  
      3. One of the broad boards, or floats, at the circumference
            of a water wheel, or paddle wheel.
  
      4. A small gate in sluices or lock gates to admit or let off
            water; -- also called {clough}.
  
      5. (Zo[94]l.) A paddle-shaped foot, as of the sea turtle.
  
      6. A paddle-shaped implement for string or mixing.
  
      7. [In this sense prob. for older spaddle, a dim. of spade.]
            See {Paddle staff} (b), below. [Prov. Eng.]
  
      {Paddle beam} (Shipbuilding), one of two large timbers
            supporting the spring beam and paddle box of a steam
            vessel.
  
      {Paddle board}. See {Paddle}, n., 3.
  
      {Paddle box}, the structure inclosing the upper part of the
            paddle wheel of a steam vessel.
  
      {Paddle shaft}, the revolving shaft which carries the paddle
            wheel of a steam vessel.
  
      {Paddle staff}.
            (a) A staff tipped with a broad blade, used by mole
                  catchers. [Prov. Eng.]
            (b) A long-handled spade used to clean a plowshare; --
                  called also {plow staff}. [Prov. Eng.]
  
      {Paddle steamer}, a steam vessel propelled by paddle wheels,
            in distinction from a screw propeller.
  
      {Paddle wheel}, the propelling wheel of a steam vessel,
            having paddles (or floats) on its circumference, and
            revolving in a vertical plane parallel to the vessel's
            length.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Paddle \Pad"dle\, n. [See {Paddle}, v. i.]
      1. An implement with a broad blade, which is used without a
            fixed fulcrum in propelling and steering canoes and boats.
  
      2. The broad part of a paddle, with which the stroke is made;
            hence, any short, broad blade, resembling that of a
            paddle.
  
                     Thou shalt have a paddle upon thy weapon. --Deut.
                                                                              xxiii. 13.
  
      3. One of the broad boards, or floats, at the circumference
            of a water wheel, or paddle wheel.
  
      4. A small gate in sluices or lock gates to admit or let off
            water; -- also called {clough}.
  
      5. (Zo[94]l.) A paddle-shaped foot, as of the sea turtle.
  
      6. A paddle-shaped implement for string or mixing.
  
      7. [In this sense prob. for older spaddle, a dim. of spade.]
            See {Paddle staff} (b), below. [Prov. Eng.]
  
      {Paddle beam} (Shipbuilding), one of two large timbers
            supporting the spring beam and paddle box of a steam
            vessel.
  
      {Paddle board}. See {Paddle}, n., 3.
  
      {Paddle box}, the structure inclosing the upper part of the
            paddle wheel of a steam vessel.
  
      {Paddle shaft}, the revolving shaft which carries the paddle
            wheel of a steam vessel.
  
      {Paddle staff}.
            (a) A staff tipped with a broad blade, used by mole
                  catchers. [Prov. Eng.]
            (b) A long-handled spade used to clean a plowshare; --
                  called also {plow staff}. [Prov. Eng.]
  
      {Paddle steamer}, a steam vessel propelled by paddle wheels,
            in distinction from a screw propeller.
  
      {Paddle wheel}, the propelling wheel of a steam vessel,
            having paddles (or floats) on its circumference, and
            revolving in a vertical plane parallel to the vessel's
            length.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Paddle \Pad"dle\, n. [See {Paddle}, v. i.]
      1. An implement with a broad blade, which is used without a
            fixed fulcrum in propelling and steering canoes and boats.
  
      2. The broad part of a paddle, with which the stroke is made;
            hence, any short, broad blade, resembling that of a
            paddle.
  
                     Thou shalt have a paddle upon thy weapon. --Deut.
                                                                              xxiii. 13.
  
      3. One of the broad boards, or floats, at the circumference
            of a water wheel, or paddle wheel.
  
      4. A small gate in sluices or lock gates to admit or let off
            water; -- also called {clough}.
  
      5. (Zo[94]l.) A paddle-shaped foot, as of the sea turtle.
  
      6. A paddle-shaped implement for string or mixing.
  
      7. [In this sense prob. for older spaddle, a dim. of spade.]
            See {Paddle staff} (b), below. [Prov. Eng.]
  
      {Paddle beam} (Shipbuilding), one of two large timbers
            supporting the spring beam and paddle box of a steam
            vessel.
  
      {Paddle board}. See {Paddle}, n., 3.
  
      {Paddle box}, the structure inclosing the upper part of the
            paddle wheel of a steam vessel.
  
      {Paddle shaft}, the revolving shaft which carries the paddle
            wheel of a steam vessel.
  
      {Paddle staff}.
            (a) A staff tipped with a broad blade, used by mole
                  catchers. [Prov. Eng.]
            (b) A long-handled spade used to clean a plowshare; --
                  called also {plow staff}. [Prov. Eng.]
  
      {Paddle steamer}, a steam vessel propelled by paddle wheels,
            in distinction from a screw propeller.
  
      {Paddle wheel}, the propelling wheel of a steam vessel,
            having paddles (or floats) on its circumference, and
            revolving in a vertical plane parallel to the vessel's
            length.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Paddlecock \Pad"dle*cock`\, n. (Zo[94]l.)
      The lumpfish. [Prov. Eng.]

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Padlock \Pad"lock`\, n. [Perh. orig., a lock for a pad gate, or
      a gate opening to a path, or perh., a lock for a basket or
      pannier, and from Prov. E. pad a pannier. Cf. {Pad} a path,
      {Paddler}.]
      1. A portable lock with a bow which is usually jointed or
            pivoted at one end so that it can be opened, the other end
            being fastened by the bolt, -- used for fastening by
            passing the bow through a staple over a hasp or through
            the links of a chain, etc.
  
      2. Fig.: A curb; a restraint.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Padlock \Pad"lock`\, v. t. [imp. & p. p. {Padlocked}; p. pr. &
      vb. n. {Padlocking}.]
      To fasten with, or as with, a padlock; to stop; to shut; to
      confine as by a padlock. --Milton. Tennyson.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Padlock \Pad"lock`\, v. t. [imp. & p. p. {Padlocked}; p. pr. &
      vb. n. {Padlocking}.]
      To fasten with, or as with, a padlock; to stop; to shut; to
      confine as by a padlock. --Milton. Tennyson.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Padlock \Pad"lock`\, v. t. [imp. & p. p. {Padlocked}; p. pr. &
      vb. n. {Padlocking}.]
      To fasten with, or as with, a padlock; to stop; to shut; to
      confine as by a padlock. --Milton. Tennyson.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Pathless \Path"less\, a.
      Having no beaten path or way; untrodden; impenetrable; as,
      pathless woods.
  
               Trough the heavens' wide, pathless way.   --Milton.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Pathologic \Path`o*log"ic\, Pathological \Path`o*log"ic*al\, a.
      (Med.)
      Morbid; due to disease; abnormal; as, pathological tissue; a
      pathological condition.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Pathologic \Path`o*log"ic\, Pathological \Path`o*log"ic*al\, a.
      [Gr. [?]: cf. F. pathologique.]
      Of or pertaining to pathology. -- {Path`o*log"ic*al*ly}, adv.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Pathologic \Path`o*log"ic\, Pathological \Path`o*log"ic*al\, a.
      (Med.)
      Morbid; due to disease; abnormal; as, pathological tissue; a
      pathological condition.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Pathologic \Path`o*log"ic\, Pathological \Path`o*log"ic*al\, a.
      [Gr. [?]: cf. F. pathologique.]
      Of or pertaining to pathology. -- {Path`o*log"ic*al*ly}, adv.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Pathologic \Path`o*log"ic\, Pathological \Path`o*log"ic*al\, a.
      [Gr. [?]: cf. F. pathologique.]
      Of or pertaining to pathology. -- {Path`o*log"ic*al*ly}, adv.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Pathology \Pa*thol"o*gy\ (-j[ycr]), n.; pl. {Pathologies}
      (-j[icr]z). [Gr. pa`qos a suffering, disease + -logy: cf. F.
      pathologie.] (Med.)
      The science which treats of diseases, their nature, causes,
      progress, symptoms, etc.
  
      Note: Pathology is general or special, according as it treats
               of disease or morbid processes in general, or of
               particular diseases; it is also subdivided into
               internal and external, or medical and surgical
               pathology. Its departments are {nosology},
               {[91]tiology}, {morbid anatomy}, {symptomatology}, and
               {therapeutics}, which treat respectively of the
               classification, causation, organic changes, symptoms,
               and cure of diseases.
  
      {Celluar pathology}, a theory that gives prominence to the
            vital action of cells in the healthy and diseased function
            of the body. --Virchow.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Pathologist \Pa*thol"o*gist\, n. [Cf. F. pathologiste.]
      One skilled in pathology; an investigator in pathology; as,
      the pathologist of a hospital, whose duty it is to determine
      the causes of the diseases.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Pathology \Pa*thol"o*gy\, n. (Med.)
      The condition of an organ, tissue, or fluid produced by
      disease.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Pathology \Pa*thol"o*gy\ (-j[ycr]), n.; pl. {Pathologies}
      (-j[icr]z). [Gr. pa`qos a suffering, disease + -logy: cf. F.
      pathologie.] (Med.)
      The science which treats of diseases, their nature, causes,
      progress, symptoms, etc.
  
      Note: Pathology is general or special, according as it treats
               of disease or morbid processes in general, or of
               particular diseases; it is also subdivided into
               internal and external, or medical and surgical
               pathology. Its departments are {nosology},
               {[91]tiology}, {morbid anatomy}, {symptomatology}, and
               {therapeutics}, which treat respectively of the
               classification, causation, organic changes, symptoms,
               and cure of diseases.
  
      {Celluar pathology}, a theory that gives prominence to the
            vital action of cells in the healthy and diseased function
            of the body. --Virchow.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Patulous \Pat"u*lous\, a. [L. patulus, fr. patere to be open,
      extend.]
      Open; expanded; slightly spreading; having the parts loose or
      dispersed; as, a patulous calyx; a patulous cluster of
      flowers.
  
               The eyes are large and patulous.            --Sir J. Hill.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Pedal \Pe"dal\, a. [L. pedalis, fr. pes, pedis, foot. See
      {Foot}, and cf. {Pew}.]
      1. Of or pertaining to the foot, or to feet, literally or
            figuratively; specifically (Zo[94]l.), pertaining to the
            foot of a mollusk; as, the pedal ganglion.
  
      2. Of or pertaining to a pedal; having pedals.
  
      {Pedal curve} [or] {surface} (Geom.), the curve or surface
            which is the locus of the feet of perpendiculars let fall
            from a fixed point upon the straight lines tangent to a
            given curve, or upon the planes tangent to a given
            surface.
  
      {Pedal note} (Mus.), the note which is held or sustained
            through an organ point. See {Organ point}, under {Organ}.
           
  
      {Pedal organ} (Mus.), an organ which has pedals or a range of
            keys moved by the feet; that portion of a full organ which
            is played with the feet.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Pedology \Pe*dol"o*gy\, n. [Gr. [?], [?], child + -logy.] (Med.)
      Pediatrics.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Petalism \Pet"al*ism\, n. [Gr. [?], fr. [?] a leaf: cf. F.
      p[82]talisme.] (Gr. Antiq.)
      A form of sentence among the ancient Syracusans by which they
      banished for five years a citizen suspected of having
      dangerous influence or ambition. It was similar to the
      ostracism in Athens; but olive leaves were used instead of
      shells for ballots.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Petalous \Pet"al*ous\, a.
      Having petals; petaled; -- opposed to {apetalous}.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Petulcity \Pe*tul"ci*ty\, n. [See {Petulcous}.]
      Wantonness; friskiness. [Obs.] --Bp. Hall.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Petulcous \Pe*tul"cous\, a. [L. petulcus. Cf. {Petulant}.]
      Wanton; frisky; lustful. [Obs.] --J. V. Cane.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Photo-electric \Pho`to-e*lec"tric\, a. [Photo- + electric.]
      Acting by the operation of both light and electricity; --
      said of apparatus for producing pictures by electric light.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Photo-electrotype \Pho`to-e*lec"tro*type\, n. (Print.)
      An electrotype plate formed in a mold made by photographing
      on prepared gelatine, etc.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Photoheliograph \Pho`to*he"li*o*graph\, n. [Photo- +
      heliograph.] (Physics)
      A modified kind of telescope adapted to taking photographs of
      the sun.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Photologic \Pho`to*log"ic\, Photological \Pho`to*log"ic*al\, a.
      Pertaining to photology, or the doctrine of light.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Photologic \Pho`to*log"ic\, Photological \Pho`to*log"ic*al\, a.
      Pertaining to photology, or the doctrine of light.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Photologist \Pho*tol"o*gist\, n.
      One who studies or expounds the laws of light.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Photology \Pho*tol"o*gy\, n. [Photo- + -logy: cf. F.
      photologie.]
      The doctrine or science of light, explaining its nature and
      phenomena; optics.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Phthalic \Phthal"ic\, a. [Naphthalene + -ic.] (Chem.)
      Pertaining to, or designating, a dibasic acid obtained by the
      oxidation of naphthalene and allied substances.
  
      {Phthalic acid} (Chem.), a white crystalline substance,
            {C6H4.(CO2H)2}, analogous to benzoic acid, and employed in
            the brilliant dyestuffs called the phthaleins.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Phthalic \Phthal"ic\, a. [Naphthalene + -ic.] (Chem.)
      Pertaining to, or designating, a dibasic acid obtained by the
      oxidation of naphthalene and allied substances.
  
      {Phthalic acid} (Chem.), a white crystalline substance,
            {C6H4.(CO2H)2}, analogous to benzoic acid, and employed in
            the brilliant dyestuffs called the phthaleins.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Scoke \Scoke\, n. (Bot.)
      Poke ({Phytolacca decandra}).

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Pocan \Po"can\, n. (Bot.)
      The poke ({Phytolacca decandra}); -- called also {pocan
      bush}.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   d8Umbra \[d8]Um"bra\, n.; pl. {Umbr[91]}. [L., a shadow.]
      1. (Astron.)
            (a) The conical shadow projected from a planet or
                  satellite, on the side opposite to the sun, within
                  which a spectator could see no portion of the sun's
                  disk; -- used in contradistinction from penumbra. See
                  {Penumbra}.
            (b) The central dark portion, or nucleus, of a sun spot.
            (c) The fainter part of a sun spot; -- now more commonly
                  called penumbra.
  
      2. (Zo[94]l.) Any one of several species of sci[91]noid food
            fishes of the genus {Umbrina}, especially the
            Mediterranean species ({U. cirrhosa}), which is highly
            esteemed as a market fish; -- called also {ombre}, and
            {umbrine}.
  
      {Umbra tree} (Bot.), a tree ({Phytolacca diocia}) of the same
            genus as pokeweed. It is native of South America, but is
            now grown in southern Europe. It has large dark leaves,
            and a somber aspect. The juice of its berries is used for
            coloring wine. --J. Smith (Dict. Econ. Plants).

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Phytological \Phy`to*log"ic*al\, a. [Cf. F. phytologique.]
      Of or pertaining to phytology; botanical.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Phytologist \Phy*tol"o*gist\, n.
      One skilled in phytology; a writer on plants; a botanist.
      --Evelyn.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Phytology \Phy*tol"o*gy\, n. [Phyto- + -logy: cf. F.
      phytologie.]
      The science of plants; a description of the kinds and
      properties of plants; botany. --Sir T. Browne.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Pithless \Pith"less\, a.
      Destitute of pith, or of strength; feeble. --Dryden.
      [bd]Pithless argumentation.[b8] --Glandstone.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Pitiless \Pit"i*less\, a.
      1. Destitute of pity; hard-hearted; merciless; as, a
            pitilessmaster; pitiless elements.
  
      2. Exciting no pity; as, a pitiless condition. --
            {Pit"i*less*ly}, adv. -- {Pit"i*less*ness}, n.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Pitiless \Pit"i*less\, a.
      1. Destitute of pity; hard-hearted; merciless; as, a
            pitilessmaster; pitiless elements.
  
      2. Exciting no pity; as, a pitiless condition. --
            {Pit"i*less*ly}, adv. -- {Pit"i*less*ness}, n.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Pitiless \Pit"i*less\, a.
      1. Destitute of pity; hard-hearted; merciless; as, a
            pitilessmaster; pitiless elements.
  
      2. Exciting no pity; as, a pitiless condition. --
            {Pit"i*less*ly}, adv. -- {Pit"i*less*ness}, n.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Podalgia \Po*dal"gi*a\, n. [NL., fr. Gr. [?], [?], foot + [?]
      pain.] (Med.)
      pain in the foot, due to gout, rheumatism, etc.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Pot lace \Pot lace\
      Lace whose pattern includes one or more representations of
      baskets or bowls from which flowers spring.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Potluck \Pot"luck`\, n.
      Whatever may chance to be in the pot, or may be provided for
      a meal.
  
               A woman whose potluck was always to be relied on. --G.
                                                                              Eliot.
  
      {To take potluck}, to take what food may chance to be
            provided.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Pentail \Pen"tail`\, n. (Zo[94]l.)
      A peculiar insectivore ({Ptilocercus Lowii}) of Borneo; -- so
      called from its very long, quill-shaped tail, which is scaly
      at the base and plumose at the tip.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Ptilocerque \Ptil"o*cerque\, n. [Gr. [?] a feather + [?] tail.]
      (Zool.)
      The pentail.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Weroole \We*roo"le\, n. (Zo[94]l.)
      An Australian lorikeet ({Ptilosclera versicolor}) noted for
      the variety of its colors; -- called also {varied lorikeet}.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Piapec \Pi"a*pec\, n. [Cf. {Pie} a magpie.] (Zo[94]l.)
      A West African pie ({Ptilostomus Senegalensis}).

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Ptyalism \Pty"a*lism\, n. [Gr. [?], fr. [?] to spit much, fr.
      [?] spittle, fr. [?] to spit: cf. F. ptyalisme.]
      Salivation, or an excessive flow of saliva. --Quain.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Ptyalogogue \Pty*al"o*gogue\, n. [Gr. [?] spittle + [?]
      driving.] (Med.)
      A ptysmagogue.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Putlog \Put"log`\ (?; 277), n. (Arch.)
      One of the short pieces of timber on which the planks forming
      the floor of a scaffold are laid, -- one end resting on the
      ledger of the scaffold, and the other in a hole left in the
      wall temporarily for the purpose. --Oxf. Gloss.

From U.S. Gazetteer (1990) [gazetteer]:
   Patillas zona, PR (urbana, FIPS 60472)
      Location: 18.00904 N, 66.01390 W
      Population (1990): 4410 (1475 housing units)
      Area: 2.6 sq km (land), 0.0 sq km (water)

From Jargon File (4.2.0, 31 JAN 2000) [jargon]:
   pathological adj.   1. [scientific computation] Used of a data
   set that is grossly atypical of normal expected input, esp.   one
   that exposes a weakness or bug in whatever algorithm one is using.
   An algorithm that can be broken by pathological inputs may still be
   useful if such inputs are very unlikely to occur in practice.   2.
   When used of test input, implies that it was purposefully engineered
   as a worst case.   The implication in both senses is that the data is
   spectacularly ill-conditioned or that someone had to explicitly set
   out to break the algorithm in order to come up with such a crazy
   example.   3. Also said of an unlikely collection of circumstances.
   "If the network is down and comes up halfway through the execution
   of that command by root, the system may just crash."   "Yes, but
   that's a pathological case."   Often used to dismiss the case from
   discussion, with the implication that the consequences are
   acceptable, since they will happen so infrequently (if at all) that
   it doesn't seem worth going to the extra trouble to handle that case
   (see sense 1).
  
  

From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
   pathological
  
      1. [scientific computation] Used of a data set that is grossly
      atypical of normal expected input, especially one that exposes
      a weakness or bug in whatever algorithm one is using.   An
      algorithm that can be broken by pathological inputs may still
      be useful if such inputs are very unlikely to occur in
      practice.
  
      2. When used of test input, implies that it was purposefully
      engineered as a worst case.   The implication in both senses is
      that the data is spectacularly ill-conditioned or that someone
      had to explicitly set out to break the algorithm in order to
      come up with such a crazy example.
  
      3. Also said of an unlikely collection of circumstances.   "If
      the network is down and comes up halfway through the execution
      of that command by root, the system may just crash."   "Yes,
      but that's a pathological case."   Often used to dismiss the
      case from discussion, with the implication that the
      consequences are acceptable, since they will happen so
      infrequently (if at all) that it doesn't seem worth going to
      the extra trouble to handle that case (see sense 1).
  
      [{Jargon File}]
  
  
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