<B>inv.,</B><DL COMPACT><DD> an abbreviation for the following: <DD><B> 1. </B>invenit. <DD><B> 2a. </B>invented. <DD><B> b. </B>invention. <DD><B> c. </B>inventor. <DD><B> 3. </B>inventory. <DD><B> 4. </B>investment. <DD><B> 5. </B>invoice. </DL>
<A NAME="invacuo">
<B>in vacuo,</B><DL COMPACT><DD> (Latin.) in a vacuum. <BR> <I>Ex. Liquids with a low boiling point can be made to distil at room temperature when radiated ... in vacuo (Science News). (Figurative.) The present chart must not be studied in vacuo (Harper's).</I> </DL>
<A NAME="invade">
<B>invade, </B>verb, <B>-vaded,</B> <B>-vading.</B><DL COMPACT><DD><I>v.t. </I> <B>1a. </B>to enter with force or as an enemy; attack. <BR> <I>Ex. Soldiers invaded the country to conquer it. Grasshoppers invaded the fields and ate the crops. Diseases invade the body.</I> <DD><B> b. </B> <BR> <I>Ex. (Figurative.) Tourists invaded the city. Night invades the sky.</I> <DD><B> 2. </B>to interfere with; break in on; violate. <BR> <I>Ex. The law punishes people who invade the rights of others.</I> <DD><I>v.i. </I> to make an invasion. noun <B>invader.</B> </DL>
<A NAME="invaginate">
<B>invaginate, </B>verb, <B>-nated,</B> <B>-nating,</B> adjective.<DL COMPACT><DD><I>v.t. </I> <B>1. </B>to fold or draw (a hollow structure) back within itself; introvert; intussuscept. <DD><B> 2. </B><B>=sheathe.</B> <DD><I>v.i. </I> to become invaginated. <DD><I>adj. </I> invaginated. </DL>
<A NAME="invagination">
<B>invagination, </B>noun.<DL COMPACT><DD><B> 1. </B>the act or process of invaginating. <DD><B> 2. </B>invaginated condition. <DD><B> 3. </B>an invaginated part. <DD><B> 4. </B>intussusception. <DD><B> 5. </B>the drawing inward of a portion of the wall of a blastula in the formation of a gastrula. </DL>
<A NAME="invalid">
<B>invalid</B> (1), noun, adjective, verb.<DL COMPACT><DD><I>noun </I> <B>1. </B>a sick or weak person not able to get about and do things. <BR> <I>Ex. I have invented an invaluable permanent invalid called Bunbury (Oscar Wilde).</I> <DD><B> 2. </B>a soldier or sailor retired from active service because of sickness or injury. <DD><I>adj. </I> <B>1. </B>not well; weak and sick. <DD><B> 2. </B>for the use of invalids. <BR> <I>Ex. an invalid chair, an invalid car.</I> <DD><I>v.t. </I> <B>1. </B>to make sick or weak; disable. <DD><B> 2. </B>to remove from active service because of sickness or injury. <BR> <I>Ex. The wounded soldier was invalided and sent home.</I> <DD><I>v.i. </I> <B>1. </B>to become an invalid. <DD><B> 2. </B>to retire from active service because of sickness or injury. </DL>
<A NAME="invalid">
<B>invalid</B> (2), adjective.<DL COMPACT><DD> not valid; without force or effect; without value; worthless. <BR> <I>Ex. Unless a check is signed, it is invalid.</I> (SYN) null, void. adv. <B>invalidly.</B> noun <B>invalidness.</B> </DL>
<A NAME="invalidate">
<B>invalidate, </B>transitive verb, <B>-dated,</B> <B>-dating.</B><DL COMPACT><DD> to make not valid; cause to be worthless or not good; deprive of force or effect. <BR> <I>Ex. A contract is invalidated if only one party signs it.</I> (SYN) annul, nullify. noun <B>invalidator.</B> </DL>
<A NAME="invalidation">
<B>invalidation, </B>noun.<DL COMPACT><DD> the act of invalidating or making invalid. <BR> <I>Ex. The invalidation of fair trade laws by court decision in several states ... created increasing complexities for the effective enforcement of fair trade (Wall Street Journal).</I> </DL>
<A NAME="invalidism">
<B>invalidism, </B>noun.<DL COMPACT><DD> the condition of being an invalid; prolonged ill health. </DL>
<A NAME="invalidity">
<B>invalidity, </B>noun.<DL COMPACT><DD><B> 1. </B>lack of validity, force, or effect; worthlessness. <BR> <I>Ex. the invalidity of a theory, of evidence, or of a passport.</I> <DD><B> 2. </B>prolonged ill health; invalidism. <BR> <I>Ex. Countries provide benefits for permanent disability or invalidity through their social security programs (Saturday Review).</I> </DL>
<A NAME="invaluable">
<B>invaluable, </B>adjective.<DL COMPACT><DD> valuable beyond measure; very precious; priceless. <BR> <I>Ex. Good health is an invaluable blessing. Honest and faithful friends are an invaluable jewel (Abraham Fleming).</I> (SYN) inestimable. noun <B>invaluableness.</B> adv. <B>invaluably.</B> </DL>
<A NAME="invar">
<B>Invar, </B>noun.<DL COMPACT><DD> (Trademark.) an alloy of nickel, iron, and other metals, having a coefficient of expansion which is virtually zero, used especially for making scientific instruments. </DL>
<A NAME="invariability">
<B>invariability, </B>noun.<DL COMPACT><DD> lack of variability; being invariable. (SYN) immutability, unchangeableness, constancy, uniformity. </DL>
<A NAME="invariable">
<B>invariable, </B>adjective, noun.<DL COMPACT><DD><I>adj. </I> always the same; not changing; unchangeable. <BR> <I>Ex. After dinner it was his invariable habit to take a nap.</I> (SYN) uniform, constant. <DD><I>noun </I> (Mathematics.) something invariable; a constant. noun <B>invariableness.</B> </DL>
<A NAME="invariably">
<B>invariably, </B>adverb.<DL COMPACT><DD> in an invariable manner; without change; without exception. <BR> <I>Ex. Spring invariably follows winter. He invariably eats breakfast at 6:30 A.M.</I> </DL>
<A NAME="invariance">
<B>invariance, </B>noun.<DL COMPACT><DD> invariant condition or quality. <BR> <I>Ex. the invariance of time and space.</I> </DL>
<A NAME="invariant">
<B>invariant, </B>adjective, noun.<DL COMPACT><DD><I>adj. </I> unvarying; invariable; constant. <DD><I>noun </I> (Mathematics.) an invariable entity or quantity. </DL>
<A NAME="invasion">
<B>invasion, </B>noun.<DL COMPACT><DD><B> 1a. </B>the act or fact of invading; entering by force or as an enemy; attack. <BR> <I>Ex. We are waiting for the long-promised invasion. So are the fishes (Sir Winston Churchill).</I> (SYN) incursion. <DD><B> b. </B>(Figurative:) <BR> <I>Ex. the invasion of disease, the invasion of cornfields by locusts.</I> <DD><B> 2. </B>interference; encroachment; violation. <BR> <I>Ex. Wire tapping is an invasion of individual privacy.</I> <DD><B> 3. </B>the growth of a large population of an animal or plant in a region not before inhabited by the species. </DL>
<A NAME="invasive">
<B>invasive, </B>adjective.<DL COMPACT><DD><B> 1. </B>tending to invade; invading. <BR> <I>Ex. an invasive force.</I> <DD><B> 2. </B>characterized by or involving invasion. <BR> <I>Ex. invasive action.</I> <DD><B> 3. </B>aggressive; offensive; intrusive. <BR> <I>Ex. an invasive person.</I> </DL>
<A NAME="invasivity">
<B>invasivity, </B>noun.<DL COMPACT><DD> the tendency to invade; invasive quality or character. <BR> <I>Ex. the invasivity of a germ.</I> </DL>
<A NAME="invecked">
<B>invecked, </B>adjective.<DL COMPACT><DD> (Heraldry.) bordered by or formed of small convex or outward curves or slightly projecting rounded lobes. </DL>
<B>invective, </B>noun, adjective.<DL COMPACT><DD><I>noun </I> a violent attack in words; abusive speech. <BR> <I>Ex. His opponents were overcome by the fury of his invective. It does seem that they do not want to revert to their earlier reliance on threat and invective (Time).</I> (SYN) vituperation. <DD><I>adj. </I> inveighing; denouncing. (SYN) vituperative, abusive. adv. <B>invectively.</B> noun <B>invectiveness.</B> </DL>
<A NAME="inveigh">
<B>inveigh, </B>intransitive verb.<DL COMPACT><DD> to make a violent attack in words; rail. <BR> <I>Ex. The agitator inveighed against the government. The leadership passed to the popular orators, who rose to power by inveighing against property (James A. Froude).</I> noun <B>inveigher.</B> </DL>
<A NAME="inveigle">
<B>inveigle, </B>transitive verb, <B>-gled,</B> <B>-gling.</B><DL COMPACT><DD><B> 1. </B>to lead astray by trickery; entice; lure. <BR> <I>Ex. The saleswoman inveigled the young girl into buying four hats.</I> (SYN) allure, ensnare, beguile, dupe. <DD><B> 2. </B>to obtain by trickery. <BR> <I>Ex. to inveigle a promise.</I> noun <B>inveigler.</B> noun <B>inveiglement.</B> </DL>
<A NAME="invenit">
<B>invenit,</B><DL COMPACT><DD> (Latin.) (he or she) invented, devised, or designed it. </DL>
<A NAME="invent">
<B>invent, </B>transitive verb.<DL COMPACT><DD><B> 1. </B>to make up for the first time; make or think out (something new). <BR> <I>Ex. Alexander Graham Bell invented the telephone.</I> <DD><B> 2. </B>to make up; think up. <BR> <I>Ex. When she had no good reason for being late, she invented some excuse.</I> (SYN) fabricate. <DD><B> 3. </B>(Obsolete.) to come upon; find. <BR> <I>Ex. And vowed never to returne againe, Till him alive or dead she did invent (Edmund Spenser).</I> <DD><I>v.i. </I> to devise something new, as by thought or ingenuity; originate; create. <BR> <I>Ex. But when did woman ever yet invent? (Tennyson).</I> </DL>
<A NAME="inventer">
<B>inventer, </B>noun. <B>=inventor.</B></DL>
<A NAME="inventible">
<B>inventible, </B>adjective.<DL COMPACT><DD> that can be invented. </DL>
<A NAME="invention">
<B>invention, </B>noun.<DL COMPACT><DD><B> 1. </B>the act or process of inventing; the original making of something new. <BR> <I>Ex. the invention of gunpowder. For the last three centuries, Western civilization has dedicated a good part of its energies to the invention of machines (New Yorker).</I> <DD><B> 2. </B>a thing invented. <BR> <I>Ex. Television is a modern invention.</I> <DD><B> 3. </B>the power of inventing. <BR> <I>Ex. An author must have invention to think up new ideas for stories.</I> <DD><B> 4. </B>a made-up story; false statement. <BR> <I>Ex. That rumor was the old gossip's own invention.</I> <DD><B> 5. </B>(Music.) a short composition in which a single theme is developed in simple counterpoint. <BR> <I>Ex. Bach's piano Inventions.</I> <DD><B> 6. </B>(in classical rhetoric) the selection of suitable topics or arguments. <DD><B> 7. </B>(Archaic.) the act of finding, or finding out; discovery. </DL>
<A NAME="inventional">
<B>inventional, </B>adjective.<DL COMPACT><DD> of, having to do with, or like invention. </DL>
<A NAME="inventive">
<B>inventive, </B>adjective.<DL COMPACT><DD><B> 1. </B>good at inventing; quick to invent things. <BR> <I>Ex. An inventive person thinks up ways to save time, money, and work.</I> (SYN) imaginative, ingenious. <DD><B> 2. </B>of invention. <DD><B> 3. </B>showing power of inventing. <BR> <I>Ex. Great art ... must be inventive, that is, be produced by the imagination (John Ruskin).</I> adv. <B>inventively.</B> noun <B>inventiveness.</B> </DL>
