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*ly ,
adverb - -
Ob*tru"sive*ness ,
noun Not obvious, not obtrusive , but retired.
Milton.
Obtund Ob·tund" transitive verb [
imperfect & past participle Obtunded ;
present participle & verbal noun Obtunding .] [ Latin
obtundere ,
obtusum ;
ob (see
Ob- ) +
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 (see
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 ."
Spenser. 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 ,
obvers . See
Obverse ,
adjective ]
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 ;
ob (see
Ob- ) +
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 ;
ob (see
Ob- ) +
viare to go, from
via way. See
Voyage .]
1. To meet in the way. [ Obsolete]
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 ;
ob (see
Ob- ) +
via way. See
Voyage .]
1. Opposing; fronting. [ Obsolete]
To the evil turn
My obvious breast.
Milton. 2. Exposed; subject; open; liable. [ 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,
Amidst the heap, and obvious to the eye.
Pope. Syn. -- Plain; clear; evident. See
Manifest . --
Ob"vi*ous*ly ,
adverb --
Ob"vi*ous- ness ,
noun
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.
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.]
Occasion Oc·ca"sion (ŏk*kā"zhŭn)
noun [ French
occasion , Latin
occasio , from
occidere ,
occasum , to fall down;
ob (see
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
Him to his death.
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. 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,
And entertain with her occasions sly.
Spenser. On occasion ,
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 .
Occasion Oc·ca"sion (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. [ Obsolete]
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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