<B>accuracy, </B>noun.<DL COMPACT><DD> the state of being without errors or mistakes; exactness; correctness; precision. <BR> <I>Ex. Arithmetic problems must be solved with accuracy.</I> </DL>
<A NAME="accurate">
<B>accurate, </B>adjective.<DL COMPACT><DD><B> 1. </B>without errors or mistakes; precisely correct; exactly right. <BR> <I>Ex. You must take care to be accurate in arithmetic. An airplane pilot must have an accurate watch. Military power is no longer an accurate measure of national security (James Reston).</I> <DD><B> 2. </B>making few or no errors; precise. <BR> <I>Ex. an accurate observer.</I> (SYN) careful. adv. <B>accurately.</B> noun <B>accurateness.</B> </DL>
<A NAME="accursed">
<B>accursed, </B>adjective.<DL COMPACT><DD><B> 1. </B>that deserves to be cursed; annoying and troublesome; hateful; detestable. <BR> <I>Ex. Colonel Sibthorpe ... prayed that hail and lightning might descend from heaven on the accursed thing (Lytton Strachey).</I> (SYN) execrable, damnable. <DD><B> 2. </B>under a curse; doomed. <BR> <I>Ex. And the city shall be accursed (Joshua 6:17).</I> (SYN) ill-fated. adv. <B>accursedly.</B> noun <B>accursedness.</B> </DL>
<B>accusable, </B>adjective.<DL COMPACT><DD> liable to be accused. </DL>
<A NAME="accusal">
<B>accusal, </B>noun. <B>=accusation.</B></DL>
<A NAME="accusation">
<B>accusation, </B>noun.<DL COMPACT><DD><B> 1. </B>the offense charged. <BR> <I>Ex. The accusation against him was that he had stolen ten dollars from the store.</I> <DD><B> 2. </B>a charge of being something bad, of doing something wrong, or of having broken the law. <BR> <I>Ex. The taint of accusation often ruins a reputation.</I> <DD><B> 3. </B>an accusing or being accused. </DL>
<A NAME="accusatival">
<B>accusatival, </B>adjective.<DL COMPACT><DD> having to do with the accusative case. </DL>
<A NAME="accusative">
<B>accusative, </B>adjective, noun.<DL COMPACT><DD><I>adj. </I> showing the direct object. <I>Me, us, him,</I> and <I>them</I> are in the accusative case, or, as usually said for English words, the objective case. <DD><I>noun </I> <B>1a. </B>the objective case. <DD><B> b. </B>a corresponding case in Latin, Greek, and many other inflectional languages used as the direct object of a verb, sometimes as the subject of an infinitive, or as the object of a preposition, to indicate the goal of action or motion toward. <I>Galliam</I> in <I>Caesar Galliam vicit,</I> meaning "Caesar conquered Gaul," is in the accusative. <DD><B> 2. </B>a word used as the object of a verb or preposition. <DD><B> 3. </B>the form of pronouns used for the object of a verb or preposition in English, such as <I>me, us, him, them.</I> The term <I>objective</I> is more commonly used in modern English grammar. (Abbr:) acc. adv. <B>accusatively.</B> </DL>
<A NAME="accusatorial">
<B>accusatorial, </B>adjective.<DL COMPACT><DD> having to do with an accuser. adv. <B>accusatorially.</B> </DL>
<A NAME="accusatory">
<B>accusatory, </B>adjective.<DL COMPACT><DD> containing an accusation; accusing. <BR> <I>Ex. an accusatory glance.</I> </DL>
<A NAME="accuse">
<B>accuse, </B>verb, <B>-cused,</B> <B>-cusing.</B><DL COMPACT><DD><I>v.t. </I> <B>1. </B>to charge with having done something wrong, with being something bad, or with having broken the law. <BR> <I>Ex. The driver was accused of speeding. He was accused as accessory to the crime.</I> (SYN) denounce, arraign, indict. <DD><B> 2. </B>to place the blame on; find fault with; blame; censure. <BR> <I>Ex. The President accused Congress for the delay in passing his program. She sent for Blanche to accuse her face to face (Tennyson). Accusing the times is but excusing ourselves.</I> <DD><I>v.i. </I> to bring an accusation. <BR> <I>Ex. He accused no more, But dumbly shrank before accusing throngs Of thought (George Eliot).</I> </DL>
<A NAME="accused">
<B>accused, </B>adjective, noun.<DL COMPACT><DD><I>adj. </I> charged with a crime or other offense. <DD><I>noun </I> <B>the accused,</B> (Law.) the person or persons formally charged with a crime or an offense in a court of law. <BR> <I>Ex. The trial took place before a military tribunal, the accused having been arrested following the boycott (Observer).</I> </DL>
<A NAME="accuser">
<B>accuser, </B>noun.<DL COMPACT><DD> a person who accuses another. </DL>
<A NAME="accusingly">
<B>accusingly, </B>adverb.<DL COMPACT><DD> in an accusing manner. </DL>
<A NAME="accusive">
<B>accusive, </B>adjective.<DL COMPACT><DD> disposed to accuse; accusing; accusatory. </DL>
<A NAME="accustom">
<B>accustom, </B>transitive verb.<DL COMPACT><DD> to make familiar by use or habit; get used; train. <BR> <I>Ex. to accustom a hunting dog to the noise of a gun. A good traveler can accustom himself to almost any kind of food.</I> (SYN) familiarize, habituate. </DL>
<A NAME="accustomed">
<B>accustomed, </B>adjective.<DL COMPACT><DD> usual; customary. <BR> <I>Ex. Soon the sick boy was well and in his accustomed place at school.</I> (SYN) habitual, wonted, familiar. <BR><I>expr. <B>accustomed to,</B> </I>used to; in the habit of. <BR> <I>Ex. The farmer was accustomed to hard work. She is accustomed to jogging daily.</I> noun <B>accustomedness.</B> </DL>
<A NAME="acd">
<B>ACD</B> (no periods),<DL COMPACT><DD> a solution of acid, citrate, and dextrose, used as a preservative in storing blood for transfusions. </DL>
<A NAME="acda">
<B>ACDA</B> (no periods),<DL COMPACT><DD> Arms Control and Disarmament Agency (of the United States). </DL>
<A NAME="ace">
<B>ace, </B>noun, adjective, verb, <B>aced,</B> <B>acing.</B><DL COMPACT><DD><I>noun </I> <B>1a. </B>a playing card, domino, or side of a die having one spot. In most card games the ace is the highest and winning card of its suit. <DD><B> b. </B>the single spot or point by which such a playing card, side of a die, or domino is marked. <DD><B> 2a. </B>(in tennis, handball, and certain other games) a point won by a single stroke, especially a serve that the opponent fails to return. <DD><B> b. </B>(Golf.) a hole in one. <DD><B> 3a. </B>a person expert at something. <BR> <I>Ex. He is an ace at basketball.</I> <DD><B> b. </B>a combat pilot who has shot down five or more enemy aircraft. <DD><B> 4. </B>(Figurative.) a very small quantity; a trifle. <BR> <I>Ex. I may peradventure be an ace before thee (Robert Burton).</I> <DD><B> 5. </B>(U.S. Slang.) <DD><B> a. </B>a dollar bill. <DD><B> b. </B>a one-year prison term. <DD><I>adj. </I> (U.S. Informal.) having very great skill; expert. <BR> <I>Ex. Beside him sat young Lord Birt, ace flier (Harper's).</I> <DD><I>v.t. </I> <B>1. </B>to score an ace against (an opponent in tennis and other net games) by delivering a service which the opponent misses. <BR> <I>Ex. He gave the club pro a good game, aced him three times (Time).</I> <DD><B> 2. </B>(U.S. Slang.) to achieve a high mark in. <BR><I>expr. <B>ace in the hole,</B> <DD><B> 1. </B>(Informal.) anything decisive or conclusive held in reserve to use at a critical time. <DD><B> 2. </B>an ace dealt face down in the gambling game of stud poker. <BR>expr. <B>ace out,</B> </I>(U.S. Informal.) to get the better of; come out on top of; defeat; outdo. <BR> <I>Ex. Boeing Co. aces out General Dynamics for the first big defense deal of the 1980s, the $4 billion cruise missile contract (Time).</I> <BR><I>expr. <B>within an ace of,</B> </I>on the very point of. <BR> <I>Ex. I came within an ace of making my fortune (Washington Irving).</I> </DL>
<A NAME="ace">
<B>ACE </B>(no periods),<DL COMPACT><DD> angiotensin-converting enzyme, an enzyme that converts one form of angiotensin into another, which contracts blood vessels and causes blood pressure to rise. </DL>
<A NAME="acedia">
<B>acedia, </B>noun.<DL COMPACT><DD> sloth; torpor; loss of interest in life. <BR> <I>Ex. Pursewarden's suicide is attributed to acedia, or boredom with life (Time).</I> </DL>
<B>Aceldama, </B>noun.<DL COMPACT><DD><B> 1. </B>a field near Jerusalem in which Judas committed suicide after his betrayal of Jesus (in the Bible, Acts 1:18-19). <DD><B> 2. </B>any scene of violent death or slaughter. </DL>
<A NAME="acellular">
<B>acellular, </B>adjective.<DL COMPACT><DD> lacking cells; not cellular. <BR> <I>Ex. Alan Boyden ... attacked the concept of protozoans being identified as acellular rather than unicellular (Malcolm T. Jollie).</I> </DL>
<A NAME="acem">
<B>AcEm</B> (no periods),<DL COMPACT><DD> actinium emanation. </DL>
<A NAME="acenaphthene">
<B>acenaphthene </B>noun.<DL COMPACT><DD> a hydrocarbon obtained from coal tar, used in making dyes, insecticides, plastics, etc. </DL>
<A NAME="acentric">
<B>acentric, </B>adjective.<DL COMPACT><DD><B> 1. </B>having no center. <DD><B> 2. </B>not on center. </DL>
<A NAME="aceous">
<B>-aceous,</B><DL COMPACT><DD> (adjective suffix.) having the appearance of; of or like; containing, as in <I>arenaceous, cretaceous, herbaceous, sebaceous. -aceous</I> is used in botany as a termination of adjectives accompanying New Latin names ending in <I>-aceae</I> for various families of plants, as in <I>liliaceous</I> (New Latin <I>Liliaceae,</I> the lily family). </DL>
<A NAME="acephalan">
<B>acephalan, </B>adjective, noun.<DL COMPACT><DD><I>adj. </I> belonging to the class of mollusks, including the bi-valves, not having a distinct head. <DD><I>noun </I> any one of these headless mollusks. </DL>
<B>acephalous, </B>adjective.<DL COMPACT><DD><B> 1. </B>headless. <DD><B> 2. </B>(Zoology.) lacking a distinct head; having no part of the body specially organized as the seat of the senses. <DD><B> 3. </B>having no leader. </DL>
<A NAME="acequia">
<B>acequia, </B>noun.<DL COMPACT><DD> (Southwestern U.S.) an irrigation canal or ditch. </DL>
<A NAME="aceraceous">
<B>aceraceous, </B>adjective.<DL COMPACT><DD> belonging to the maple family of trees and shrubs. </DL>
<A NAME="acerate">
<B>acerate, </B>adjective. <B>=acerose.</B></DL>
<A NAME="acerb">
<B>acerb, </B>adjective.<DL COMPACT><DD><B> 1. </B>sharp in taste; sour or bitter. <BR> <I>Ex. an acerb substance.</I> (SYN) acid, acrid. <DD><B> 2. </B>(Figurative.) sharp and harsh in manner; severe. <BR> <I>Ex. acerb wit. ... the dark, acerb, and caustic little professor (Charlotte Bronte).</I> (SYN) acrimonious. adv. <B>acerbly.</B> </DL>