||Oc`to*gyn"i*a (?), n. pl. [NL., from Gr. &?; eight + &?; a woman,
||female.] (Bot.) A Linnaean order of plants having eight pistils.
{ Oc`to*gyn"i*an (?), Oc*tog"y*nous (?), } a. (Bot.) Having eight
pistils; octagynous.
Oc*to"ic (?), a. [See Octo-.] (Chem.) Pertaining to, derived from, or
resembling, octane; -- used specifically, to designate any one of a
group of acids, the most important of which is called caprylic acid.
<! p. 996 !>
Oc`to*loc"u*lar (?), a. [Octo- + locular.] (Bot.) Having eight cells
for seeds.
Oc`to*naph"thene (?), n. [Octo- + naphthene.] (Chem.) A colorless
liquid hydrocarbon of the octylene series, occurring in Caucasian
petroleum.
Oc`to*na*ry (?), a. [L. octonarius, fr. octoni eight each, fr. octo
eight.] Of or pertaining to the number eight. Dr. H. More.
Oc`to*noc"u*lar (?), a. [L. octoni eight each + E. ocular.] Having
eight eyes. Derham.
Oc`to*pede (?), n. [Octo- + L. pes, pedis, foot.] (Zoöl.) An animal
having eight feet, as a spider.
Oc`to*pet"al*ous (?), a. [Octo- + petal.] (Bot.) Having eight petals or
flower leaves.
Oc"to*pod (?), n. [Gr. &?; eight- footed; &?; eight + poy`s, podo`s,
foot: cf.F. octopode.] (Zoöl.) One of the Octocerata.
||Oc*top"o*da (?), n. pl. [NL.] (Zoöl.) (a) Same as Octocerata. (b)
||Same as Arachnida.
||Oc`to*po"di*a (?), n. pl. [NL., fr. Gr. &?; eight + &?; a little
||foot.] (Zoöl.) Same as Octocerata.
Oc"to*pus (?), n. [NL. See Octopod.] (Zoöl.) A genus of eight-armed
cephalopods, including numerous species, some of them of large size.
See Devilfish,
Oc`to*ra"*di*a`ted (?), a. [Octo- + radiated.] Having eight rays.
Oc`to*roon" (?), n. [L. octo eight + -roon, as in quadroon.] The
offspring of a quadroon and a white person; a mestee.
Oc`to*sper"mous (?), a. [Octo- + Cr. &?; seed.] (Bot.) Containing eight
seeds.
Oc*tos"ti*chous (?), a. [Octo- + Gr. &?; a row.] (Bot.) In eight
vertical ranks, as leaves on a stem.
Oc"to*style (?), a. [Octo- + Gr. &?; a pillar: cf.F. octostyle.]
(Arch.) Having eight columns in the front; -- said of a temple or
portico. The Parthenon is octostyle, but most large Greek temples are
hexastele. See Hexastyle. -- n. An octostyle portico or temple.
{ Oc`to*syl*lab"ic (?), Oc`to*syl*lab"ic*al (?), } a. [L. octosyllabus.
See Octo-, and Syllable.] Consisting of or containing eight syllables.
Oc"to*syl`la*ble (?), a. Octosyllabic.
Oc"to*syl`la*ble, n. A word of eight syllables.
Oc"to*yl (&?;), n. [Octoic + -yl.] (Chem.) A hypothetical radical
(C8H15O), regarded as the essential residue of octoic acid.
||Oc`troi" (?), n. [F.] 1. A privilege granted by the sovereign
||authority, as the exclusive right of trade granted to a guild or
||society; a concession.
2. A tax levied in money or kind at the gate of a French city on
articles brought within the walls.
[Written also octroy.]
Oc"tu*or (?), n. [From L. octo eight + -uor, as in L. quatuor.] (Mus.)
See Octet. [R.]
Oc"tu*ple (?), a. [L. octuplus; cf. Gr. &?;: cf.F. octuple.] Eightfold.
Oc"tyl (?), n. [Octane + - yl.] (Chem.) A hypothetical hydrocarbon
radical regarded as an essential residue of octane, and as entering
into its derivatives; as, octyl alcohol.
Oc"tyl*ene (?), n. [Octane + ethylene.] (Chem.) Any one of a series of
metameric hydrocarbons (C8H16) of the ethylene series. In general they
are combustible, colorless liquids.
Oc*tyl"ic (?), a. (Chem.) Pertaining to, derived from, or containing,
octyl; as, octylic ether.
Oc"u*lar (?), a. [L. ocularis, ocularius, fr. oculus the eye: cf.F.
oculaire. See Eye, and cf. Antler, Inveigle.] 1. Depending on, or
perceived by, the eye; received by actual sight; personally seeing or
having seen; as, ocular proof. Shak.
Thomas was an ocular witness of Christ's death.
South.