Obtruncate Ob·trun"cate transitive verb [ Latin obtruncatus , past participle of obtruncare .] To deprive of a limb; to lop. [ R.]
Obtruncation Ob`trun·ca"tion noun [ Latin obtruncatio .] The act of lopping or cutting off. [ R.] Cockeram.
Obtrusion Ob·tru"sion noun [ Latin obtrusio . See Obtrude .] 1. The act of obtruding; a thrusting upon others by force or unsolicited; as, the obtrusion of crude opinions on the world. 2. That which is obtruded. Milton.
Obtrusionist Ob·tru"sion·ist noun One who practices or excuses obtrusion. [ R.] Gent. Mag.
Obtrusive Ob·tru"sive adjective Disposed to obtrude; inclined to intrude or thrust one's self or one's opinions upon others, or to enter uninvited; forward; pushing; intrusive.
- - Ob*tru"sive*ness
Not obvious, not obtrusive , but retired. Milton.
Obtund Ob·tund" transitive verb
[ imperfect & past participle Obtunded
; present participle & verbal noun Obtunding
.] [ Latin obtundere
) + tundere
to strike or beat. See Stutter
.] To reduce the edge, pungency, or violent action of; to dull; to blunt; to deaden; to quell; as, to obtund the acrimony of the gall.
[ Archaic] Harvey.
They . . . have filled all our law books with the obtunding story of their suits and trials. Milton.
Obtundent Ob·tund"ent noun [ Latin obtundens , present participle of obtundere .] (Medicine) A substance which sheathes a part, or blunts irritation, usually some bland, oily, or mucilaginous matter; -- nearly the same as demulcent . Forsyth.
Obtunder Ob·tund"er noun (Medicine) That which obtunds or blunts; especially, that which blunts sensibility.
Obturate Ob"tu·rate transitive verb [ imperfect & past participle Obturated ; present participle & verbal noun Obturating .] [ Latin obturatus ; p.p. of obturare .] To stop or close, as an opening; specif., (Ordnance) , to stop (a gun breech) so as to prevent the escape of gas in firing.
Obturation Ob`tu·ra"tion noun [ Latin obturare to stop up: confer French obturation .] The act of stopping up, or closing, an opening. "Deaf by an outward obturation ." Bp. Hall.
Obturator Ob"tu·ra`tor noun [ New Latin , from Latin obturare to stop up: confer French obturateur .] 1. That which closes or stops an opening. 2. (Surg.) An apparatus designed to close an unnatural opening, as a fissure of the palate.
Obturator Ob"tu·ra`tor adjective (Anat.) Serving as an obturator; closing an opening; pertaining to, or in the region of, the obturator foramen; as, the obturator nerve. Obturator foramen (Anat.) , an opening situated between the public and ischial parts of the innominate bone and closed by the obturator membrane ; the thyroid foramen.
Obturator Ob"tu·ra`tor noun 1. (Ordnance) Any device for preventing the escape of gas through the breech mechanism of a breech-loading gun; a gas check. 2. (Photog.) A camera shutter.
Obtusangular Ob·tus"an`gu·lar adjective See Obstuseangular .
Obtuse Ob·tuse" adjective [ Compar. Obtuser ; superl. Obtusest .] [ Latin obtusus , past participle of obtundere to blunt: confer French obtus . See Obtund .] 1. Not pointed or acute; blunt; -- applied esp. to angles greater than a right angle, or containing more than ninety degrees. 2. Not having acute sensibility or perceptions; dull; stupid; as, obtuse senses. Milton. 3. Dull; deadened; as, obtuse sound. Johnson.
Obtuse-angled, obtuse-angular Ob·tuse"-an`gled, ob·tuse"-an`gu·lar adjective Having an obtuse angle; as, an obtuse- angled triangle.
Obtusely Ob·tuse"ly adverb In an obtuse manner.
Obtuseness Ob·tuse"ness noun State or quality of being obtuse.
Obtusion Ob·tu"sion noun [ Latin obtusio , from obtundere to blunt. See Obtund .] 1. The act or process of making obtuse or blunt. 2. The state of being dulled or blunted; as, the obtusion of the senses. Harvey.
Obtusity Ob·tu"si·ty noun Obtuseness. Lond. Quart. Rev.
Obumbrant Ob·um"brant adjective [ Latin obumbrans , present participle] (Zoology) Overhanging; as, obumbrant feathers.
Obumbrate Ob·um"brate transitive verb [ Latin obumbratus , past participle of obumbrare to overshadow, cloud; ob + umbrare to shade.] To shade; to darken; to cloud. [ R.] Howell.
Obumbration Ob`um·bra"tion noun [ Latin obumbratio .] Act of darkening or obscuring. [ R.] Sir T. More.
Obuncous Ob·un"cous adjective [ Latin obuncus ; ob (see Ob- ) + uncus hooked.] Hooked or crooked in an extreme degree. Maunder.
Obvention Ob·ven"tion noun
[ Latin obvention
, from obvenire
to come before or in the way of, to befall; ob
) + venire
to come: confer French obvention
.] The act of happening incidentally; that which happens casually; an incidental advantage; an occasional offering.
[ Obsolete] "Tithes and other obventions
Legacies bequeathed by the deaths of princes and great persons, and other casualities and obventions . Fuller.
Obversant Ob·vers"ant adjective [ Latin obversans , present participle of obversari to hover before; ob (see Ob- ) + versare to move about.] Conversant; familiar. [ Obsolete] Bacon.
Obverse Ob·verse" adjective [ Latin obversus , past participle of obvertere . See Obvert .] Having the base, or end next the attachment, narrower than the top, as a leaf.
Obverse Ob"verse noun
[ Confer F. obverse
. See Obverse
] 1. The face of a coin which has the principal image or inscription upon it; -- the other side being the reverse . 2. Anything necessarily involved in, or answering to, another; the more apparent or conspicuous of two possible sides, or of two corresponding things.
The fact that it [ a belief] invariably exists being the obverse of the fact that there is no alternative belief. H. Spencer.
Obversely Ob·verse"ly adverb In an obverse manner.
Obversion Ob·ver"sion noun [ Latin obversio a turning towards.] 1. The act of turning toward or downward. 2. (Logic) The act of immediate inference, by which we deny the opposite of anything which has been affirmed; as, all men are mortal; then, by obversion , no men are immortal. This is also described as "immediate inference by privative conception." Bain.
Obvert Ob·vert" transitive verb
[ imperfect & past participle Obverted
; present participle & verbal noun Obverting
.] [ Latin obvertere
) + vertere
to turn. See Verse
.] To turn toward.
If its base be obverted towards us. I. Watts.
Obviate Ob"vi·ate transitive verb
[ imperfect & past participle Obviated
; present participle & verbal noun Obviating
.] [ Latin obviare
) + viare
to go, from via
way. See Voyage
.] 1. To meet in the way.
Not to stir a step to obviate any of a different religion. Fuller. 2. To anticipate; to prevent by interception; to remove from the way or path; to make unnecessary; as, to obviate the necessity of going.
To lay down everything in its full light, so as to obviate all exceptions. Woodward.
Obviation Ob`vi·a"tion noun The act of obviating, or the state of being obviated.
Obvious Ob"vi·ous adjective
[ Latin obvius
) + via
way. See Voyage
.] 1. Opposing; fronting.
To the evil turn Milton. 2. Exposed; subject; open; liable.
My obvious breast.
[ Obsolete] " Obvious
to dispute." Milton. 3. Easily discovered, seen, or understood; readily perceived by the eye or the intellect; plain; evident; apparent; as, an obvious meaning; an obvious remark.
Apart and easy to be known they lie, Pope. Syn.
Amidst the heap, and obvious to the eye.
-- Plain; clear; evident. See Manifest
. -- Ob"vi*ous*ly
-- Ob"vi*ous- ness
Obvolute, Obvoluted Ob"vo·lute, Ob`vo·lu"ted adjective [ Latin obvolutus , past participle of obvolvere to wrap round; ob (see Ob- ) + volvere to roll.] Overlapping; contorted; convolute; -- applied primarily, in botany, to two opposite leaves, each of which has one edge overlapping the nearest edge of the other, and secondarily to a circle of several leaves or petals which thus overlap.
Oby O"by noun See Obi .
Oca O"ca noun [ Spanish ] (Botany) A Peruvian name for certain species of Oxalis ( O. crenata , and O. tuberosa ) which bear edible tubers.
Ocarina Oc`a·ri"na noun [ Confer Italian carino pretty.] (Mus.) A kind of small simple wind instrument.
Occamy Oc"ca·my noun [ A corruption of alchemy .] An alloy imitating gold or silver. [ Written also ochimy , ochymy , etc.]
[ French occasion
, Latin occasio
, from occidere
, to fall down; ob
) + cadere
to fall. See Chance
, and confer Occident
.] 1. A falling out, happening, or coming to pass; hence, that which falls out or happens; occurrence; incident.
The unlooked-for incidents of family history, and its hidden excitements, and its arduous occasions . I. Taylor. 2. A favorable opportunity; a convenient or timely chance; convenience.
Sin, taking occasion by the commandment, deceived me. Rom. vii. 11.
I'll take the occasion which he gives to bring Waller. 3. An occurrence or condition of affairs which brings with it some unlooked-for event; that which incidentally brings to pass an event, without being its efficient cause or sufficient reason; accidental or incidental cause.
Him to his death.
Her beauty was the occasion of the war. Dryden. 4. Need; exigency; requirement; necessity; as, I have no occasion for firearms.
After we have served ourselves and our own occasions . Jer. Taylor.
When my occasions took me into France. Burke. 5. A reason or excuse; a motive; a persuasion.
Whose manner was, all passengers to stay, Spenser. On occasion
And entertain with her occasions sly.
, in case of need; in necessity; as convenience requires; occasionally.
"That we might have intelligence from him on occasion
," De Foe. Syn.
-- Need; incident; use. See Opportunity
(ŏk*kā"zhŭn) transitive verb
[ imperfect & past participle Occasioned
(- zhŭnd); present participle & verbal noun Occasioning
.] [ Confer F. occasionner
.] To give occasion to; to cause; to produce; to induce; as, to occasion anxiety. South.
If we inquire what it is that occasions men to make several combinations of simple ideas into distinct modes. Locke.
Occasionable Oc·ca"sion·a·ble adjective Capable of being occasioned or caused. Barrow.
Occasional Oc·ca"sion·al adjective
[ Confer F. occasionnel
.] 1. Of or pertaining to an occasion or to occasions; occuring at times, but not constant, regular, or systematic; made or happening as opportunity requires or admits; casual; incidental; as, occasional remarks, or efforts.
The . . . occasional writing of the present times. Bagehot. 2. Produced by accident; as, the occasional origin of a thing.
[ Obsolete] Sir T. Browne. Occasional cause
(Metaph.), some circumstance preceding an effect which, without being the real cause, becomes the occasion of the action of the efficient cause; thus, the act of touching gunpowder with fire is the occasional , but not the efficient, cause of an explosion.
Occasionalism Oc·ca"sion·al·ism noun (Metaph.) The system of occasional causes; -- a name given to certain theories of the Cartesian school of philosophers, as to the intervention of the First Cause, by which they account for the apparent reciprocal action of the soul and the body.
Occasionality Oc·ca`sion·al"i·ty noun Quality or state of being occasional; occasional occurrence. [ R.]
Occasionally Oc·ca"sion·al·ly adverb In an occasional manner; on occasion; at times, as convenience requires or opportunity offers; not regularly. Stewart.
The one, Wolsey, directly his subject by birth; the other, his subject occasionally by his preferment. Fuller.
Occasionate Oc·ca"sion·ate transitive verb To occasion.
The lowest may occasionate much ill. Dr. H. More.
Occasioner Oc·ca"sion·er noun One who, or that which, occasions, causes, or produces. Bp. Sanderson.
Occasive Oc·ca"sive adjective [ Latin occasivus , from occasus a going down, setting of the heavenly bodies, from occidere to fall or down. See Occasion .] Of or pertaining to the setting sun; falling; descending; western.
Occecation Oc·ce·ca"tion noun [ Latin occaecatio , from occaecare to make blind; ob + caecare to blind, from caecus blind.] The act of making blind, or the state of being blind. [ R.] "This inward occecation ." Bp. Hall.
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