Opinioned
(O*pin"ioned) a. Opinionated; conceited.
His opinioned zeal which he thought judicious.
Milton. Opinionist
(O*pin"ion*ist) n. [Cf. F. opinioniste.] One fond of his own notions, or unduly attached to
his own opinions. Glanvill.
Opiparous
(O*pip"a*rous) a. [L. opiparus, fr. ops, opis, riches + parare to provide.] Sumptuous.
[Obs.] — O*pip"a*rous*ly, adv. [Obs.] E. Waterhouse.
Opisometer
(Op`i*som"e*ter) n. [Gr. backwards + -meter.] An instrument with a revolving wheel for
measuring a curved line, as on a map.
Opisthion
(||O*pis"thi*on) n. [NL., fr. Gr. hinder.] (Anat.) The middle of the posterior, or dorsal, margin
of the great foramen of the skull.
Opisthobranchia
(||O*pis`tho*bran"chi*a) Opisthobranchiata
(O*pis`tho*bran`chi*a"ta) n. pl. [NL., from
Gr. behind + gills.] (Zoöl.) A division of gastropod Mollusca, in which the breathing organs are usually
situated behind the heart. It includes the tectibranchs and nudibranchs.
Opisthobranchiate
(O*pis`tho*bran"chi*ate) a. (Zoöl.) Of or pertaining to the Opisthobranchiata. — n.
One of the Opisthobranchiata.
Opisthocœlian
(O*pis`tho*cœ"li*an) Opisthocœlous
(O*pis`tho*cœ"lous) a. [Gr. behind + koi^los hollow,] (Anat.)
Concave behind; — applied especially to vertebræ in which the anterior end of the centrum is convex and
the posterior concave.
Opisthodome
(O*pis"tho*dome) n. [L. opisthodomus, Gr. behind + do`mos house: cf. F. opisthodome.]
(Arch.) A back chamber; especially, that part of the naos, or cella, farthest from the main entrance, sometimes
having an entrance of its own, and often used as a treasury.
Opisthoglypha
(||O*pis`tho*glyph"a) n. pl. [NL., from Gr. behind + to carve.] (Zoöl.) A division of serpents
which have some of the posterior maxillary teeth grooved for fangs.
Opisthography
(Op`is*thog"ra*phy) n. [Gr. behind + -graphy.] A writing upon the back of anything, as
upon the back of a leaf or sheet already written upon on one side. [R.] Scudamore.
Opisthomi
(||Op`is*tho"mi) n. pl. [NL., fr. Gr. behind + the shoulder.] (Zoöl.) An order of eellike fishes
having the scapular arch attached to the vertebræ, but not connected with the skull.
Opisthopulmonate
(O*pis`tho*pul"mo*nate) a.[Gr. behind + E. pulmonate.] (Zoöl.) Having the pulmonary
sac situated posteriorly; — said of certain air-breathing Mollusca.
Opisthotic
(Op`is*thot"ic) n. [Gr. behind + ear.] (Anat.) The inferior and posterior of the three elements
forming the periotic bone.
Opisthotonos
(||Op`is*thot"o*nos) n. [NL., from Gr. backwards + a stretching.] (Med.) A tetanic spasm
in which the body is bent backwards and stiffened.
Opitulation
(O*pit`u*la"tion) n. [L. opitulatio, fr. opitulari to bring help.] The act of helping or aiding; help.
[Obs.] Bailey.
Opium
(O"pi*um) n. [L., fr. Gr. poppy juice, dim. of vegetable juice.] (Chem.) The inspissated juice of
the Papaver somniferum, or white poppy.
