Chapter 1067

Oph*thal"mi*a (?) , n. [F. ophthalmie , L. ophthalmia , fr. Gr. <?/, fr. <?/ the eye, akin to E. optic . See Optic .] (Med.) An inflammation of the membranes or coats of the eye or of the eyeball.

Ophthalmic <Xpage=1005>

Oph*thal"mic (?) , a. [Gr. <?/: cf. F. ophthalmique . See Ophthalmia .] (Anat.) Of, pertaining to, or in the region of, the eye; ocular; as the ophthalmic , or orbitonasal, nerve, a division of the trigeminal, which gives branches to the lachrymal gland, eyelids, nose, and forehead .

Ophthalmic region (Zo\'94l.) , the space around the eyes.

Ophthalmite <Xpage=1005>

Oph*thal"mite (?) , n. [Gr. <?/ the eye.] (Zo\'94l.) An eyestalk; the organ which bears the compound eyes of decapod Crustacea.

Ophthalmological <Xpage=1005>

Oph*thal`mo*log"ic*al (?) , a. Of or pertaining to ophthalmology.

Ophthalmologist <Xpage=1005>

Oph`thal*mol"o*gist (?) , n. One skilled in ophthalmology; an oculist.

Ophthalmology <Xpage=1005>

Oph`thal*mol"o*gy (?) , n. [Gr. <?/ the eye + -logy : cf. F. ophthalmologie .] The science which treats of the structure, functions, and diseases of the eye.

Ophthalmometer <Xpage=1005>

Oph`thal*mom"e*ter , n. [Gr. <?/ eye + -meter .] (Physiol.) An instrument devised by Helmholtz for measuring the size of a reflected image on the convex surface of the cornea and lens of the eye, by which their curvature can be ascertained.

Ophthalmoscope <Xpage=1005>

Oph*thal"mo*scope (?) , n. [From Gr. <?/ the eye + -scope .] (Physiol.) An instrument for viewing the interior of the eye, particularly the retina. Light is thrown into the eye by a mirror (usually concave) and the interior is then examined with or without the aid of a lens. -- Oph*thal`mo*scop"ic (#) , a.

Ophthalmoscopy <Xpage=1005>

Oph`thal*mos"co*py (?) , n. [Cf. F. ophthalmoscopie .] 1. A branch of physiognomy which deduces the knowledge of a person's temper and character from the appearance of the eyes.

2. Examination of the eye with the ophthalmoscope.

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Ophthalmy <Xpage=1006>

Oph*thal"my (?) , n. Same as Ophthalmia .

Opianic <Xpage=1006>

O`pi*an"ic (?) , a. [From Opium .] (Chem.) Of, pertaining to, or designating, an organic acid obtained by the oxidation of narcotine.

Opianine <Xpage=1006>

O"pi*a*nine (?) , n. (Chem.) An alkaloid found in small quantity in opium. It is identical with narcotine.

Opianyl <Xpage=1006>

O"pi*a*nyl , n. [ Opianic + -yl .] (Chem.) Same as Meconin .

Opiate <Xpage=1006>

O"pi*ate (?) , n. [From Opium : cf.F. opiat .]

1. Originally, a medicine of a thicker consistence than sirup, prepared with opium.

Parr.

2. Any medicine that contains opium, and has the quality of inducing sleep or repose; a narcotic.

3. Anything which induces rest or inaction; that which quiets uneasiness.

They chose atheism as an opiate . Bentley.

Opiate <Xpage=1006>

O"pi*ate , a. [See Opium .] Inducing sleep; somniferous; narcotic; hence, anodyne; causing rest, dullness, or inaction; as, the opiate rod of Hermes .

Milton.

Opiate <Xpage=1006>

O"pi*ate (?) , v. t. To subject to the influence of an opiate; to put to sleep. [R.]

Fenton.

Opiated <Xpage=1006>

O"pi*a`ted (?) , a. 1. Mixed with opiates.

2. Under the influence of opiates.

Opie <Xpage=1006>

O"pie (?) , n. Opium. [Obs.]

Chaucer.

Opiferous <Xpage=1006>

O*pif"er*ous (?) , a. [L. opifer ; ops , opis , help + ferre to bear.] Bringing help. [R.]

Opifice <Xpage=1006>

Op"i*fice (?) , n. [L. opificium , fr. opifex workman. See Office .] Workmanship. [Obs.]

Bailey.

Opificer <Xpage=1006>

O*pif"i*cer (?) , n. An artificer; a workman. [Obs.] "The almighty opificer ."

Bentley.

Opinable <Xpage=1006>

O*pin"a*ble (?) , a. [L. opinabilis .] Capable of being opined or thought.

Holland.

Opination <Xpage=1006>

Op`i*na"tion (?) , n. [L. opinatio . See Opine ,] The act of thinking; a supposition. [Obs.]

Opinative <Xpage=1006>

O*pin"a*tive (?) , a. Obstinate in holding opinions; opinionated. [Obs.] -- O*pin"a*tive*ly , adv. [Obs.]

Burton. Sir T. More.

Opinator <Xpage=1006>

Op"i*na`tor (?) , n. [L.] One fond of his own opinious; one who holds an opinion. [Obs.]

Glanvill.

Opine <Xpage=1006>

O*pine" (?) , v. t. & i. [ imp. & p. p. Opined (?) ; p. pr. & vb. n. Opining .] [L. opinari , p.p. opinatus ; akin to opinus (in comp.) thinking, and perh. to E. apt : cf. F. opiner .] To have an opinion; to judge; to think; to suppose.

South.

Opiner <Xpage=1006>

O*pin"er (?) , n. One who opines.

Jer. Taylor.

Opiniaster, Opiniatre <Xpage=1006>

O`pin*ias"ter (?) , O`pin*ia"tre (?) , a. [OF. opiniastre , F. opini\'83tre . See Opinion .] Opinionated. [Obs.]

Sir W. Raleigh.

Opiniastrous <Xpage=1006>

O`pin*ias"trous (?) , a. See Opiniaster . [Obs.] .

Opinlate <Xpage=1006>

O*pin"late (?) , v. t. To hold or maintain persistently. [Obs.]

Barrow.

Opiniated <Xpage=1006>

O*pin"ia*ted (?) , a. Opinionated. [Obs.]

Opiniative <Xpage=1006>

O*pin"ia*tive (?) , a. Opinionative. Glanvill . -- O*pin"ia*tive*ly , adv. -- O*pin"ia*tive*ness , n.

Opiniator, Opiniatre <Xpage=1006>

O`pin*ia"tor , O`pin*ia"tre (?) , n. One who is opinionated. [Obs.]

South. Barrow.

Opiniatre <Xpage=1006>

O`pin*ia"tre , a. See Opiniaster . [Obs.]

Locke.

Opiniatrety <Xpage=1006>

O`pin*iat"re*ty (?) , n. [Cf. F. opini\'83tret\'82 .] Obstinacy in opinious. [Written also opiniatry .] [Obs.]

Opinicus <Xpage=1006>

O*pin"i*cus (<?/) , n. (Her.) An imaginary animal borne as a charge, having wings, an eagle's head, and a short tail; -- sometimes represented without wings .

Opining <Xpage=1006>

O*pin"ing (?) , n. Opinion. [Obs.]

Jer. Taylor.

Opinion <Xpage=1006>

O*pin"ion (?) , n. [F., from L. opinio . See Opine .] 1. That which is opined; a notion or conviction founded on probable evidence; belief stronger than impression, less strong than positive knowledge; settled judgment in regard to any point of knowledge or action.

Opinion is when the assent of the understanding is so far gained by evidence of probability, that it rather inclines to one persussion than to another, yet not without a mixture of incertainty or doubting. Sir M. Hale.

I can not put off my opinion so easily. Shak.

2. The judgment or sentiment which the mind forms of persons or things; estimation.

I have bought golden opinions from all sorts of people. Shak.

Friendship . . . gives a man a peculiar right and claim to the good opinion of his friend. South.

However, I have no opinion of those things. Bacon.

3. Favorable estimation; hence, consideration; reputation; fame; public sentiment or esteem. [Obs.]

Thou hast redeemed thy lost opinion . Shak.

This gained Agricola much opinion , who . . . had made such early progress into laborious . . . enterprises. Milton.

4. Obstinacy in holding to one's belief or impression; opiniativeness; conceitedness. [Obs.]

Shak.

5. (Law.) The formal decision, or expression of views, of a judge, an umpire, a counselor, or other party officially called upon to consider and decide upon a matter or point submitted.

To be of opinion , to think; to judge. -- To hold opinion with , to agree with. [Obs.] Shak .

Syn. -- Sentiment; notion; persuasion; idea; view; estimation. See Sentiment .

Opinion <Xpage=1006>

O*pin"ion , v. t. To opine. [Obs.]

Opinionable <Xpage=1006>

O*pin"ion*a*ble (?) , a. Being, or capable of being, a matter of opinion; that can be thought; not positively settled; as, an opinionable doctrine .

C. J. Ellicott.

Opinionate <Xpage=1006>

O*pin"ion*ate (?) , a. Opinionated.

Opinionated <Xpage=1006>

O*pin"ion*a`ted (?) , a. Stiff in opinion; firmly or unduly adhering to one's own opinion or to preconceived notions; obstinate in opinion.

Sir W. Scott.

Opinionately <Xpage=1006>

O*pin"ion*ate*ly (?) , adv. Conceitedly.

Feltham.

Opinionatist <Xpage=1006>

O*pin"ion*a*tist (?) , n. An opinionist. [Obs.]

Opinionative <Xpage=1006>

O*pin"ion*a*tive , a. 1. Unduly attached to one's own opinions; opinionated.

Milton.

2. Of the nature of an opinion; conjectured. [Obs.] "Things both opinionative and practical." Bunyan . -- O*pin"ion*a*tive*ly , adv. -- O*pin"ion*a*tive*ness , n.

Opinionator <Xpage=1006>

O*pin"ion*a`tor (?) , n. An opinionated person; one given to conjecture. [Obs.]

South.

Opinioned <Xpage=1006>

O*pin"ioned (?) , a. Opinionated; conceited.

His opinioned zeal which he thought judicious. Milton.

Opinionist <Xpage=1006>

O*pin"ion*ist (?) , n. [Cf. F. opinioniste .] One fond of his own notions, or unduly attached to his own opinions.

Glanvill.

Opiparous <Xpage=1006>

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 <Xpage=1006>

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 <Xpage=1006>

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, Opisthobranchiata <Xpage=1006>

O*pis`tho*bran"chi*a (?) , O*pis`tho*bran`chi*a"ta (?) , n. pl. [NL., from Gr. <?/ behind + <?/ gills.] (Zo\'94l.) A division of gastropod Mollusca, in which the breathing organs are usually situated behind the heart. It includes the tectibranchs and nudibranchs.

Opisthobranchiate <Xpage=1006>

O*pis`tho*bran"chi*ate (?) , a. (Zo\'94l.) Of or pertaining to the Opisthobranchiata. -- n. One of the Opisthobranchiata.

Opisthoc\'d2lian, Opisthoc\'d2lous <Xpage=1006>

O*pis`tho*c\'d2"li*an (?) , O*pis`tho*c\'d2"lous (?) , a. [Gr. <?/ behind + <?/ hollow,] (Anat.) Concave behind; -- applied especially to vertebr\'91 in which the anterior end of the centrum is convex and the posterior concave.

Opisthodome <Xpage=1006>

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 <Xpage=1006>

O*pis`tho*glyph"a (?) , n. pl. [NL., from Gr. <?/ behind + <?/ to carve.] (Zo\'94l.) A division of serpents which have some of the posterior maxillary teeth grooved for fangs.

Opisthography <Xpage=1006>

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 <Xpage=1006>

Op`is*tho"mi (?) , n. pl. [NL., fr. Gr. <?/ behind + <?/ the shoulder.] (Zo\'94l.) An order of eellike fishes having the scapular arch attached to the vertebr\'91, but not connected with the skull.

Opisthopulmonate <Xpage=1006>

O*pis`tho*pul"mo*nate (?) , a. [Gr. <?/ behind + E. pulmonate .] (Zo\'94l.) Having the pulmonary sac situated posteriorly; -- said of certain air-breathing Mollusca.

Opisthotic <Xpage=1006>

Op`is*thot"ic (?) , n. [Gr. <?/ behind + <?/, <?/, ear.] (Anat.) The inferior and posterior of the three elements forming the periotic bone.

Opisthotonos <Xpage=1006>

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 <Xpage=1006>

O*pit`u*la"tion (?) , n. [L. opitulatio , fr. opitulari to bring help.] The act of helping or aiding; help. [Obs.]

Bailey.

Opium <Xpage=1006>

O"pi*um (?) , n. [L., fr. Gr. <?/ poppy juice, dim. of <?/ vegetable juice.] (Chem.) The inspissated juice of the Papaver somniferum , or white poppy.

&hand; Opium is obtained from incisions made in the capsules of the plant, and the best flows from the first incision. It is imported into Europe and America chiefly from the Levant, and large quantities are sent to China from India, Persia, and other countries. It is of a brownish yellow color, has a faint smell, and bitter and acrid taste. It is a stimulant narcotic poison, which may produce hallicinations, profound sleep, or death. It is much used in medicine to soothe pain and inflammation, and is smoked as an intoxicant with baneful effects.

Opium joint , a low resort of opium smokers. [Slang]

Ople tree <Xpage=1006>

O"ple tree` (?) . [L. opulus a kind of maple tree.] The witch-hazel. [Obs.]

Ainsworth.

Opobalsam, Opobalsamum <Xpage=1006>

Op`o*bal"sam (?) , Op`o*bal"sa*mum (?) , n. [L. opobalsamum , Gr. <?/; <?/ vegetable juice + <?/ balsam.] (Med.) The old name of the aromatic resinous juice of the Balsamodendron opobalsamum , now commonly called balm of Gilead . See under Balm .

Opodeldoc <Xpage=1006>

Op`o*del"doc (?) , n. [So called by Paracelsus. The first syllable may be fr. Gr. <?/ vegetable juice.]

1. A kind of plaster, said to have been invented by Mindererus, -- used for external injuries. [Obs.]

2. A saponaceous, camphorated liniment; a solution of soap in alcohol, with the addition of camphor and essential oils; soap liniment.

Opopanax <Xpage=1006>

O*pop"a*nax (?) , n. [L., fr. Gr. <?/; <?/ vegetable juice + <?/, <?/. a kind of plant: cf. F. opopanax .] The inspissated juice of an umbelliferous plant (the Opoponax Chironum ), brought from Turkey and the East Indies in loose granules, or sometimes in larger masses, of a reddish yellow color, with specks of white. It has a strong smell and acrid taste, and was formerly used in medicine as an emmenagogue and antispasmodic.

Dunglison.

Opossum <Xpage=1006>

O*pos"sum (?) , n. [Of N. American Indian origin.] (Zo\'94l.) Any American marsupial of the genera Didelphys and Chironectes . The common species of the United States is Didelphys Virginiana . <-- called also possum -->

&hand; Several related species are found in South America. The water opossum of Brazil ( Chironectes variegatus ), which has the hind feet, webbed, is provided with a marsupial pouch and with cheek pouches. It is called also yapock .

Opossum mouse . (Zo\'94l.) See Flying mouse , under Flying . -- Opossum shrimp (Zo\'94l.) , any schizopod crustacean of the genus Mysis and allied genera. See Schizopoda .

Oppidan <Xpage=1006>

Op"pi*dan (?) , a. [L. oppidanus , fr. oppidum town.] Of or pertaining to a town.

Howell.

Oppidan <Xpage=1006>

Op"pi*dan , n. 1. An inhabitant of a town.

2. A student of Eton College, England, who is not a King's scholar, and who boards in a private family.

Oppignerate <Xpage=1006>

Op*pig"ner*ate (?) , v. i. [L. oppigneratus , p.p. of oppignerare to pawn. See Ob- , and Pignerate .] To pledge; to pawn. [Obs.]

Bacon.

Oppilate <Xpage=1006>

Op"pi*late (?) , v. t. [ imp. & p. p. Oppilated (?) ; p. pr. & vb. n. Oppilating (?) .] [L. oppilatus , p.p. of oppilare to stop up; ob (see Ob- ) + pilare to ram down, to thrust.] To crowd together; to fill with obstructions; to block up. [Obs.]

Cockeram.

Oppilation <Xpage=1006>

Op`pi*la"tion (?) , n. [L. oppilatio : cf. F. opilation .] The act of filling or crowding together; a stopping by redundant matter; obstruction, particularly in the lower intestines.

Jer. Taylor.

Oppilative <Xpage=1006>

Op`pi*la*tive (?) , a. [Cf. F. opilatif . See Oppilate .] Obstructive. [Obs.]

Sherwood.

Opplete, Oppleted <Xpage=1006>

Op*plete" (?) , Op*plet"ed (?) , a. [L. oppletus , p.p. of opplere to fill up; ob (see Ob- ) + plere to fill.] Filled; crowded. [Obs.]

Johnson.

Oppletion <Xpage=1006>

Op*ple"tion (?) , n. The act of filling up, or the state of being filled up; fullness. [Obs.]

Oppone <Xpage=1006>

Op*pone" (?) , v. t. [L. opponere . See Opponent .] To oppose. [Obs.]

B. Jonson.

Opponency <Xpage=1006>

Op*po"nen*cy (?) , n. The act of opening an academical disputation; the proposition of objections to a tenet, as an exercise for a degree. [Eng.]

Todd.

Opponent <Xpage=1006>

Op*po"nent (?) , a. [L. opponens , -entis , p.pr. of opponere to set or place against, to oppose; ob (see Ob- ) + ponere to place. See Position .] Situated in front; opposite; hence, opposing; adverse; antagonistic.

Pope.

Opponent <Xpage=1006>

Op*po"nent , n. 1. One who opposes; an adversary; an antagonist; a foe.

Macaulay.

2. One who opposes in a disputation, argument, or other verbal controversy; specifically, one who attacks some theirs or proposition, in distinction from the respondent , or defendant , who maintains it.