<B>arietta, </B>noun.<DL COMPACT><DD> a short air or song. </DL>
<A NAME="ariette">
<B>ariette, </B>noun. =arietta.</DL>
<A NAME="aright">
<B>aright, </B>adverb.<DL COMPACT><DD> correctly; rightly. <BR> <I>Ex. If I heard you aright, you said you would go.</I> </DL>
<A NAME="arikara">
<B>Arikara, </B>noun, pl. <B>-ra</B> or <B>-ras.</B><DL COMPACT><DD><B> 1. </B>a member of a tribe of North American Indians of the northern Great Plains. <DD><B> 2. </B>the Caddoan language of this tribe. </DL>
<A NAME="aril">
<B>aril, </B>noun.<DL COMPACT><DD> an outer covering of certain seeds. The aril arises from the stalk (funiculus) of the ovule at or below the hilum. The pulpy inner pod of the bittersweet is an aril. </DL>
<A NAME="arillate">
<B>arillate, </B>adjective.<DL COMPACT><DD> having an aril or arils. </DL>
<A NAME="arillated">
<B>arillated, </B>adjective. =arillate.</DL>
<A NAME="arillode">
<B>arillode, </B>noun.<DL COMPACT><DD> an aril not arising from the stalk (funiculus), as in the nutmeg; false aril. </DL>
<A NAME="arillus">
<B>arillus, </B>noun, pl. <B>arilli.</B> =aril.</DL>
<A NAME="arimasp">
<B>Arimasp, </B>noun, pl. <B>-maspi</B> or <B>-masps.</B><DL COMPACT><DD> one of the Arimaspi. </DL>
<A NAME="arimaspi">
<B>Arimaspi, </B>noun pl.<DL COMPACT><DD> (Greek Mythology.) a race of one-eyed men of northern Europe who fought with the griffins, trying to wrest from them the gold they guarded. </DL>
<A NAME="arimathea">
<B>Arimathea</B> or <B>Arimathaea, </B>noun.<DL COMPACT><DD> a town of ancient Palestine, the home of Joseph of Arimathea. Its location is not now known (in the Bible, Matthew 27:57-60). </DL>
<A NAME="arioso">
<B>arioso, </B>adjective, adverb, noun, pl. <B>-sos.</B><DL COMPACT><DD> (Music.) <DD><I>adj., adv. </I> like a song. <DD><I>noun </I> a piece or passage like a song; a vocal part. </DL>
<A NAME="arise">
<B>arise, </B>intransitive verb, <B>arose,</B> <B>arisen,</B> <B>arising.</B><DL COMPACT><DD><B> 1. </B>to rise up; get up. <BR> <I>Ex. The children arose from their seats to salute the flag. My lady sweet, arise! (Shakespeare).</I> (SYN) stand. <DD><B> 2. </B>to move upward; ascend. <BR> <I>Ex. Smoke arises from the chimney.</I> (SYN) mount. <DD><B> 3a. </B>to come into being or action; come about; appear; begin. <BR> <I>Ex. A great wind arose. A cry arose from the stands as the ballplayer was called "out."</I> (SYN) originate. <DD><B> b. </B>to be caused; be started; result (from). <BR> <I>Ex. Accidents often arise from carelessness.</I> (SYN) proceed. </DL>
<A NAME="arisen">
<B>arisen, </B>verb.<DL COMPACT><DD> past participle of <B>arise:</B> <BR> <I>Ex. The prince has not yet arisen from his bed. Trouble had arisen over the ball game.</I> </DL>
<A NAME="arista">
<B>arista, </B>noun, pl. <B>-tae</B><DL COMPACT><DD><B> 1. </B>the beard of grains and grasses; awn. <DD><B> 2. </B>a bristle at or near the end of the antenna of certain flies. </DL>
<A NAME="aristaeus">
<B>Aristaeus, </B>noun.<DL COMPACT><DD> (Greek Mythology.) the son of Apollo and the water nymph Cyrene, famous as a keeper of bees. </DL>
<A NAME="aristarch">
<B>aristarch, </B>noun.<DL COMPACT><DD> a severe critic. </DL>
<A NAME="aristarchus">
<B>Aristarchus, </B>noun.<DL COMPACT><DD> a crater on the moon, the rough floor of which gives off a brighter reflected light than does any other of the moon's craters. </DL>
<A NAME="aristate">
<B>aristate, </B>adjective.<DL COMPACT><DD><B> 1. </B>having aristae. <DD><B> 2. </B>ending in a thin spine. </DL>
<A NAME="aristo">
<B>aristo, </B>noun, pl. <B>-tos.</B><DL COMPACT><DD> (British Informal.) an aristocrat. <BR> <I>Ex. ... the aristos flouncing out their ruffs at the reeking buffoons crowding around the tumbrils (Punch).</I> </DL>
<A NAME="aristocracy">
<B>aristocracy, </B>noun, pl. <B>-cies.</B><DL COMPACT><DD><B> 1. </B>a class of people having a high position in society by birth, rank, or title; nobility. Earls, dukes, and princes belong to the aristocracy. <DD><B> 2. </B>any class of people that is considered superior because of birth, intelligence, culture, or wealth; upper class. (SYN) elite, gentry, patriciate. <DD><B> 3. </B>government in which the nobles or a privileged upper class rules. (SYN) oligarchy. <DD><B> 4. </B>a country or state having such a government. <DD><B> 5. </B>a government by the best citizens. <BR> <I>Ex. ... the attainment of a truer and truer aristocracy, or government again by the best (Thomas Carlyle).</I> </DL>
<A NAME="aristocrat">
<B>aristocrat, </B>noun.<DL COMPACT><DD><B> 1. </B>a person who belongs to the aristocracy; noble. <DD><B> 2. </B>a person who has the tastes, opinions, manners, or culture of the upper classes. <DD><B> 3. </B>a person who favors government by an aristocracy. </DL>
<A NAME="aristocratic">
<B>aristocratic, </B>adjective.<DL COMPACT><DD><B> 1a. </B>belonging to the upper classes; superior in birth, intelligence, culture, or wealth. (SYN) noble, patrician, high-born. <DD><B> b. </B>having to do with an aristocracy. <DD><B> 2. </B>like an aristocrat in appearance, manners, ways, and tastes; stylish or grand. <BR> <I>Ex. an aristocratic air.</I> <DD><B> 3. </B>(Figurative.) snobbish; exclusive. <DD><B> 4. </B>(Figurative.) admirably dignified and restrained; fastidious. <DD><B> 5. </B>favoring aristocrats or government by aristocrats. adv. <B>aristocratically.</B> </DL>
<B>aristoi, </B>noun pl.<DL COMPACT><DD> (Greek.) the aristocracy; upper classes. <BR> <I>Ex. His gossipy barrage of light anecdotes and heavy name-dropping should delight hoi polloi and aristoi alike (Time).</I> </DL>
<A NAME="aristol">
<B>Aristol, </B>noun.<DL COMPACT><DD> (Trademark.) thymol iodide, a brown powder used in surgery as a substitute for iodoform. </DL>
<A NAME="aristolochiaceous">
<B>aristolochiaceous, </B>adjective.<DL COMPACT><DD> of or belonging to the family of plants that includes the birthwort. </DL>
<A NAME="aristophanic">
<B>Aristophanic, </B>adjective.<DL COMPACT><DD> of, having to do with, or characteristic of the ancient Greek dramatist Aristophanes or his comedies. <BR> <I>Ex. Aristophanic drama is farce and celebration in a combination that we have lost touch with (Atlantic).</I> </DL>
<B>Aristotelian, </B>adjective, noun.<DL COMPACT><DD><I>adj. </I> of or having to do with Aristotle or his philosophy. <DD><I>noun </I> <B>1. </B>a follower or student of Aristotle or his philosophy. Aristotle based much of his thinking upon scientific examination from which he formulated the deductive method of reasoning. <DD><B> 2. </B>a person whose reasoning is characterized by an emphasis on the empirical and the particular as opposed to the hypothetical and the general. </DL>
<A NAME="aristotelianism">
<B>Aristotelianism, </B>noun.<DL COMPACT><DD> the philosophic system or any doctrine of Aristotle. </DL>
<B>aristotype, </B>noun.<DL COMPACT><DD><B> 1. </B>a photographic printing process, now obsolete, in which silver salts are used in collodion orgelatin. <DD><B> 2. </B>a print made by such a process. </DL>
<B>arithmetic, </B>noun, adjective.<DL COMPACT><DD><I>noun </I> <B>1. </B>the art or practice of computing or calculating by means of numbers; the science of positive, real numbers; computation. When you study arithmetic you learn to add, subtract, multiply, and divide. Arithmetic also includes involution and extraction of roots. <DD><B> 2. </B>the study of numbers and their relationship; theory of numbers. <DD><B> 3. </B>a textbook or handbook dealing with arithmetic. <DD><B> 4. </B>calculation; planning. <BR> <I>Ex. faulty political arithmetic.</I> <DD><I>adj. </I> <B>=arithmetical.</B> </DL>
<A NAME="arithmetical">
<B>arithmetical, </B>adjective.<DL COMPACT><DD><B> 1. </B>of arithmetic; having to do with arithmetic. <DD><B> 2. </B>according to the rules of arithmetic. adv. <B>arithmetically.</B> </DL>
<A NAME="arithmeticalprogression">
<B>arithmetical progression</B> or <B>series,</B><DL COMPACT><DD> a series of numbers in which there is always the same difference, added or subtracted, between a number and the one next after it. (Examples:) 2, 4, 6, 8, 10 is an arithmetical progression in which 2 is added to each number; 8, 5, 2, -1, is an arithmetical progression in which 3 is subtracted from each number. </DL>
<A NAME="arithmetician">
<B>arithmetician, </B>noun.<DL COMPACT><DD> a person who studies arithmetic. </DL>
<A NAME="arithmetic">
<B>arithmetic</B> or <B>arithmetical mean,</B> <B>=average (def. 1).</B> <I>Ex. If you add together the numbers of all the eggs and divide by ... the number of hens, you will find the arithmetic average or arithmetic mean (Albert E. Waugh).</I> </DL>
<A NAME="arithmeticunit">
<B>arithmetic unit,</B><DL COMPACT><DD> the part of a digital computer in which arithmetical operations are performed. </DL>
<A NAME="arithmetization">
<B>arithmetization, </B>noun.<DL COMPACT><DD> the process of making any part of mathematics depend on purely arithmetical concepts. </DL>
<A NAME="arithmetize">
<B>arithmetize, </B>verb, <B>-tized,</B> <B>-tizing.</B><DL COMPACT><DD><I>v.t. </I> to solve by or state in terms of arithmetic. <BR> <I>Ex. to arithmetize a problem.</I> <DD><I>v.i. </I> (Especially British.) to use arithmetic. </DL>
<A NAME="arithmometer">
<B>arithmometer, </B>noun.<DL COMPACT><DD> an early form of adding machine. </DL>
<A NAME="arivederci">
<B>a rivederci,</B><DL COMPACT><DD> (Italian.) farewell; until we meet again. Also, <B>arrivederci.</B> </DL>
<A NAME="ariz">
<B>Ariz.,</B><DL COMPACT><DD> Arizona. </DL>
<A NAME="arizonan">
<B>Arizonan, </B>adjective, noun.<DL COMPACT><DD><I>adj. </I> of or having to do with Arizona. <DD><I>noun </I> a native or inhabitant of Arizona. </DL>
<A NAME="arizonaruby">
<B>Arizona ruby,</B><DL COMPACT><DD> a garnet resembling a ruby in color; Cape ruby; pyrope. </DL>