octad
         n 1: the cardinal number that is the sum of seven and one [syn:
               {eight}, {8}, {VIII}, {eighter}, {eighter from Decatur},
               {octad}, {ogdoad}, {octonary}, {octet}]

English Dictionary: ogdoad	by the DICT Development Group
From WordNet (r) 3.0 (2006) [wn]:
octadecanoic acid n a waxy saturated fatty acid; occurs widely as a glyceride in animal and vegetable fats Synonym(s): stearic acid, octadecanoic acid
From WordNet (r) 3.0 (2006) [wn]:
octahedron n any polyhedron having eight plane faces
From WordNet (r) 3.0 (2006) [wn]:
octet n the cardinal number that is the sum of seven and one [syn: eight, 8, VIII, eighter, eighter from Decatur, octad, ogdoad, octonary, octet] eight performers or singers who perform together Synonym(s): octet, octette a set of eight similar things considered as a unit Synonym(s): octet, octette eight people considered as a unit Synonym(s): octet, octette, eightsome a musical composition written for eight performers Synonym(s): octet, octette
From WordNet (r) 3.0 (2006) [wn]:
octette n eight performers or singers who perform together [syn: octet, octette] a set of eight similar things considered as a unit Synonym(s): octet, octette eight people considered as a unit Synonym(s): octet, octette, eightsome a musical composition written for eight performers Synonym(s): octet, octette
From WordNet (r) 3.0 (2006) [wn]:
ogdoad n the cardinal number that is the sum of seven and one [syn: eight, 8, VIII, eighter, eighter from Decatur, octad, ogdoad, octonary, octet]
From WordNet (r) 3.0 (2006) [wn]:
Ohio State University n a university in Columbus, Ohio
From WordNet (r) 3.0 (2006) [wn]:
osteitis n inflammation of a bone as a consequence of infection or trauma or degeneration
From WordNet (r) 3.0 (2006) [wn]:
osteitis deformans n a disease of bone occurring in the middle aged and elderly; excessive bone destruction sometimes leading to bone pain and fractures and skeletal deformities Synonym(s): Paget's disease, osteitis deformans
From WordNet (r) 3.0 (2006) [wn]:
osteodystrophy n defective bone development; usually attributable to renal disease or to disturbances in calcium and phosphorus metabolism
From WordNet (r) 3.0 (2006) [wn]:
osteotomy n surgical sectioning of bone
From WordNet (r) 3.0 (2006) [wn]:
oxidate v enter into a combination with oxygen or become converted into an oxide; "This metal oxidizes easily" Synonym(s): oxidise, oxidize, oxidate add oxygen to or combine with oxygen Synonym(s): oxidize, oxidise, oxidate Antonym(s): deoxidise, deoxidize, reduce
From WordNet (r) 3.0 (2006) [wn]:
oxidation n the process of oxidizing; the addition of oxygen to a compound with a loss of electrons; always occurs accompanied by reduction Synonym(s): oxidation, oxidization, oxidisation
From WordNet (r) 3.0 (2006) [wn]:
oxidation number n the degree of oxidation of an atom or ion or molecule; for simple atoms or ions the oxidation number is equal to the ionic charge; "the oxidation number of hydrogen is +1 and of oxygen is -2" Synonym(s): oxidation number, oxidation state
From WordNet (r) 3.0 (2006) [wn]:
oxidation state n the degree of oxidation of an atom or ion or molecule; for simple atoms or ions the oxidation number is equal to the ionic charge; "the oxidation number of hydrogen is +1 and of oxygen is -2" Synonym(s): oxidation number, oxidation state
From WordNet (r) 3.0 (2006) [wn]:
oxidation-reduction n a reversible chemical reaction in which one reaction is an oxidation and the reverse is a reduction Synonym(s): oxidation- reduction, oxidoreduction, redox
From WordNet (r) 3.0 (2006) [wn]:
oxidation-reduction indicator n an indicator that shows a reversible color change between oxidized and reduced forms
From WordNet (r) 3.0 (2006) [wn]:
oxidative adj taking place in the presence of oxygen; "oxidative glycolysis"; "oxidative rancidity"
From WordNet (r) 3.0 (2006) [wn]:
oxidative phosphorylation n an enzymatic process in cell metabolism that synthesizes ATP from ADP
From WordNet (r) 3.0 (2006) [wn]:
oxytetracycline n a yellow crystalline antibiotic (trademark Terramycin) obtained from a soil actinomycete; used to treat various bacterial and rickettsial infections Synonym(s): oxytetracycline, hydroxytetracycline, oxytetracycline hydrochloride, Terramycin
From WordNet (r) 3.0 (2006) [wn]:
oxytetracycline hydrochloride n a yellow crystalline antibiotic (trademark Terramycin) obtained from a soil actinomycete; used to treat various bacterial and rickettsial infections Synonym(s): oxytetracycline, hydroxytetracycline, oxytetracycline hydrochloride, Terramycin
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Octad \Oc"tad\, n. [Gr. [?], [?], the number eight.] (Chem.)       An atom or radical which has a valence of eight, or is       octavalent.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Octaedral \Oc`ta*e"dral\, a.       See {Octahedral}.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Octahedral \Oc`ta*he"dral\, a. [See {Octahedron}.]       Having eight faces or sides; of, pertaining to, or formed in,       octahedrons; as, octahedral cleavage.          {Octahedral borax} (Chem.), borax obtained from a saturated             solution in octahedral crystals, which contain five             molecules of water of crystallization; distinguished from             common or prismatic borax.          {Octahedral iron ore} (Min.), magnetite.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Octahedral \Oc`ta*he"dral\, a. [See {Octahedron}.]       Having eight faces or sides; of, pertaining to, or formed in,       octahedrons; as, octahedral cleavage.          {Octahedral borax} (Chem.), borax obtained from a saturated             solution in octahedral crystals, which contain five             molecules of water of crystallization; distinguished from             common or prismatic borax.          {Octahedral iron ore} (Min.), magnetite.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Cleavage \Cleav"age\, n.       1. The act of cleaving or splitting.          2. (Crystallog.) The quality possessed by many crystallized             substances of splitting readily in one or more definite             directions, in which the cohesive attraction is a minimum,             affording more or less smooth surfaces; the direction of             the dividing plane; a fragment obtained by cleaving, as of             a diamond. See {Parting}.          3. (Geol.) Division into lamin[91], like slate, with the             lamination not necessarily parallel to the plane of             deposition; -- usually produced by pressure.          {Basal cleavage}, cleavage parallel to the base of a crystal,             or to the plane of the lateral axes.          {Cell cleavage} (Biol.), multiplication of cells by fission.             See {Segmentation}.          {Cubic cleavage}, cleavage parallel to the faces of a cube.                      {Diagonal cleavage}, cleavage parallel to ta diagonal plane.                      {Egg clavage}. (Biol.) See {Segmentation}.          {Lateral cleavage}, cleavage parallel to the lateral planes.                      {Octahedral, Dodecahedral, [or] Rhombohedral, {cleavage},             cleavage parallel to the faces of an octahedron,             dodecahedron, or rhombohedron.          {Prismatic cleavage}, cleavage parallel to a vertical prism.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Octahedral \Oc`ta*he"dral\, a. [See {Octahedron}.]       Having eight faces or sides; of, pertaining to, or formed in,       octahedrons; as, octahedral cleavage.          {Octahedral borax} (Chem.), borax obtained from a saturated             solution in octahedral crystals, which contain five             molecules of water of crystallization; distinguished from             common or prismatic borax.          {Octahedral iron ore} (Min.), magnetite.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Octahedrite \Oc`ta*he"drite\, n. (Min.)       Titanium dioxide occurring in acute octahedral crystals.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Octahedron \Oc`ta*he"dron\, n. [Gr.[?], fr. [?] eight-side; [?]       (for [?] eight) + [?] seat, base, from [?] to sit.] (Geom.)       A solid bounded by eight faces. The regular octahedron is       contained by eight equal equilateral triangles.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Octateuch \Oc"ta*teuch\, n. [L. octateuchus, Gr. [?].]       A collection of eight books; especially, the first eight       books of the Old Testament. [R.]
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Octet \Oc*tet"\, n. [From L. octo eight, like E. duet, fr.L.       duo. See {Octave}.] (Mus.)       A composition for eight parts, usually for eight solo       instruments or voices.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Octoate \Oc"to*ate\, n. (Chem.)       A salt of an octoic acid; a caprylate.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Octodecimo \Oc`todec"i*mo\, a. [L. octodecim eighteen. See       {Octavo}, {Decimal}, and {-mo}.]       Having eighteen leaves to a sheet; as, an octodecimo form,       book, leaf, size, etc.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Octodecimo \Oc`to*dec"i*mo\, n.; pl. {Octodecimos}.       A book composed of sheets each of which is folded into       eighteen leaves; hence; indicating more or less definitely a       size of book, whose sheets are so folded; -- usually written       18mo or 18[deg], and called eighteenmo.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Octodecimo \Oc`to*dec"i*mo\, n.; pl. {Octodecimos}.       A book composed of sheets each of which is folded into       eighteen leaves; hence; indicating more or less definitely a       size of book, whose sheets are so folded; -- usually written       18mo or 18[deg], and called eighteenmo.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Octodentate \Oc`to*den"tate\, a. [Octo- + dentate.]       Having eight teeth.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
d8Degu \[d8]De"gu\, n. [Native name.] (Zo[94]l.)       A small South American rodent ({Octodon Cumingii}), of the       family {Octodontid[91]}.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Octodont \Oc"to*dont\, a. [Octo- + Gr. [?], [?].] (Zo[94]l.)       Of or pertaining to the {Octodontid[91]}, a family of rodents       which includes the coypu, and many other South American       species.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Octodont \Oc"to*dont\, a. [Octo- + Gr. [?], [?].] (Zo[94]l.)       Of or pertaining to the {Octodontid[91]}, a family of rodents       which includes the coypu, and many other South American       species.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Octoedrical \Oc`to*ed"ric*al\, a.       See {Octahedral}. [Obs.] --Sir T. Browne.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Ogdoad \Og"do*ad\, n. [Gr. [?], [?], from [?] eight.]       A thing made up of eight parts. --Milman.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Oscitate \Os"ci*tate\, v. i. [L. oscitare; os the mouth +       citare, v. intens. fr. ciere to move.]       To gape; to yawn.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Oscitation \Os`ci*ta"tion\, n. [L. oscitatio: cf. F.       oscitation.]       The act of yawning or gaping. --Addison.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Osteodentine \Os`te*o*den"tine\, n. [Osteo- + denite.] (Anat.)       A hard substance, somewhat like bone, which is sometimes       deposited within the pulp cavity of teeth.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Osteoid \Os"te*oid\, a. [Osteo- + -oid: cf. Gr. [?].] (Anat.)       Resembling bone; bonelike.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Osteotome \Os"te*o*tome\, n. [Osteo- + Gr. [?].] (Surg.)       Strong nippers or a chisel for dividing bone.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Osteotomist \Os`te*ot"o*mist\, n.       One skilled in osteotomy.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Osteotomy \Os`te*ot"o*my\, n.       1. The dissection or anatomy of bones; osteology.          2. (Surg.) The operation of dividing a bone or of cutting a             piece out of it, -- done to remedy deformity, etc.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Wistit \Wis"tit\, n. [Prob. from native name: cf. F. ouistiti.]       (Zo[94]l.)       A small South American monkey; a marmoset. [Written also       {wistiti}, and {ouistiti}.]
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Ouistiti \Ouis"ti*ti\, n. [F.] (Zo[94]l.)       See {Wistit}.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Wistit \Wis"tit\, n. [Prob. from native name: cf. F. ouistiti.]       (Zo[94]l.)       A small South American monkey; a marmoset. [Written also       {wistiti}, and {ouistiti}.]
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Ouistiti \Ouis"ti*ti\, n. [F.] (Zo[94]l.)       See {Wistit}.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Oust \Oust\, v. t. [imp. & p. p. {Ousted}; p. pr. & vb. n.       {Ousting}.] [OF. oster, F. [93]ter, prob. fr. L. obstare to       oppose, hence, to forbid, take away. See {Obstacle}, and cf.       {Ouster}.]       1. To take away; to remove.                         Multiplication of actions upon the case were rare,                      formerly, and thereby wager of law ousted. --Sir M.                                                                               Hale.          2. To eject; to turn out. --Blackstone.                         From mine own earldom foully ousted me. --Tennyson.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Oxidate \Ox"i*date\, v. t. [imp. & p. p. {Oxidated}; p. pr. &       vb. n. {Oxidating}.] [Cf. f. oxyder. See {Oxide}.] (Chem.)       To oxidize. [Obs.]
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Oxidate \Ox"i*date\, v. t. [imp. & p. p. {Oxidated}; p. pr. &       vb. n. {Oxidating}.] [Cf. f. oxyder. See {Oxide}.] (Chem.)       To oxidize. [Obs.]
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Oxidate \Ox"i*date\, v. t. [imp. & p. p. {Oxidated}; p. pr. &       vb. n. {Oxidating}.] [Cf. f. oxyder. See {Oxide}.] (Chem.)       To oxidize. [Obs.]
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Oxidation \Ox`i*da"tion\, n. [Cf. F. oxidation.] (Chem.)       The act or process of oxidizing, or the state or result of       being oxidized.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Oxidator \Ox"i*da`tor\, n.       1. An oxidizer. [Obs.]          2. A contrivance for causing a current of air to impinge on             the flame of the Argand lamp; -- called also {oxygenator}.
From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
octet          Eight bits.   This term is used in       networking, in preference to {byte}, because some systems use       the term "byte" for things that are not 8 bits long.          (1995-03-03)
From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
octothorpe          {hash character}