| octoic | <chemistry> 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. See: Octo-. Source: Websters Dictionary (01 Mar 1998) |
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| octolocular | <botany> Having eight cells for seeds. Origin: Octo- + locular. Source: Websters Dictionary (01 Mar 1998) |
| Octomitidae | A family in the protozoan class Zoomastigophorea; flagellates with six to eight flagella arranged in pairs and a body that is bilaterally symmetric; it includes the common human intestinal parasite G. Lamblia. Origin: octo-+ G. Mitos, thread (05 Mar 2000) |
| Octomitus hominis | Pentatrichomonas hominis. (05 Mar 2000) |
| octonaphthene | <chemistry> A colourless liquid hydrocarbon of the octylene series, occurring in Caucasian petroleum. Origin: Octo- + naphthene. Source: Websters Dictionary (01 Mar 1998) |
| octopamine | <hormone> A biogenic amine found in both vertebrates and invertebrates (identified first in the salivary gland of Octopus). Octopamine can have properties both of a hormone and a neurotransmitter and acts as an adrenergic agonist. (18 Nov 1997) |
| octopede | <zoology> An animal having eight feet, as a spider. Origin: Octo- + L. Pes, pedis, foot. Source: Websters Dictionary (01 Mar 1998) |
| octopetalous | <botany> Having eight petals or flower leaves. Origin: Octo- + petal. Source: Websters Dictionary (01 Mar 1998) |
| octopine oxidase | <enzyme> Catalyses oxidative cleavage of octopine into l-arginine and pyruvate; no required cofactors; activity requires ooxa and ooxb gene products; isolated from agrobacterium tumefaciens Registry number: EC 1.5.99.- (26 Jun 1999) |
| octopine permease | <chemical> Chemical name: permease, octopine (26 Jun 1999) |
| octopod | <zoology> One of the Octocerata. Origin: Gr. Eight-footed; eight +, foot: cf.F. Octopode. Source: Websters Dictionary (01 Mar 1998) |
| octopoda | <zoology> Same as Octocerata. Same as Arachnida. Source: Websters Dictionary (01 Mar 1998) |
| octopodia | <zoology> Same as Octocerata. Origin: NL, fr. Gr. Eight + a little foot. Source: Websters Dictionary (01 Mar 1998) |
| octopus | <zoology> A genus of eight-armed cephalopods, including numerous species, some of them of large size. See Devilfish. Origin: NL. See Octopod. Source: Websters Dictionary (01 Mar 1998) |
| octoradiated | Having eight rays. Origin: Octo- + radiated. Source: Websters Dictionary (01 Mar 1998) |