<B>audiotape, </B>noun.<DL COMPACT><DD> a sound tape recording. <BR> <I>Ex. The difference between making a copy of an audiotape and a videotape is quite marked (New Scientist).</I> </DL>
<A NAME="audiovideo">
<B>audio-video, </B>adjective.<DL COMPACT><DD> having to do with or involving the transmission or reception of both sounds and images. </DL>
<A NAME="audiovisual">
<B>audio-visual, </B>adjective.<DL COMPACT><DD> having to do with the use of globes, films, recordings, slides, or other devices involving both hearing and sight, especially in teaching. <BR> <I>Ex. Audio-visual education ... overcomes reading limitations ... (New York Times).</I> adv. <B>audio-visually.</B> </DL>
<A NAME="audiovisuals">
<B>audio-visuals, </B>noun pl.<DL COMPACT><DD> audio-visual material or equipment. <BR> <I>Ex. The curriculum has begun to draw fire, mainly because of the realistic audio-visuals (Edward B. Fiske).</I> </DL>
<A NAME="audiphone">
<B>audiphone, </B>noun. <B>=dentiphone.</B></DL>
<A NAME="audit">
<B>audit, </B>verb, noun.<DL COMPACT><DD><I>v.t. </I> <B>1. </B>to examine and check (business accounts) systematically and officially. <DD><B> 2. </B>to attend (a class or course) as a listener without receiving academic credit. <DD><B> 3. </B>make an energy audit of. <BR> <I>Ex. "Honeywell," he says, "would audit a building, identify conservation possibilities, install the equipment, and monitor its operation (Christian Science Monitor).</I> <DD><I>v.i. </I> to examine the correctness of a business account. <BR> <I>Ex. Auditing is the Government's chief tax enforcement weapon (Wall Street Journal).</I> <DD><I>noun </I> <B>1. </B>a systematic and official examination and check of business accounts. <DD><B> 2. </B>a statement of an account that has been examined and checked officially. <DD><B> 3. </B><B>=energy audit.</B> <BR> <I>Ex. Audits to determine the needs of various offices are being initiated (Tuscaloosa News).</I> <DD><B> 4. </B>(Archaic.) <DD><B> a. </B>a hearing. <DD><B> b. </B>a judicial hearing of complaints. </DL>
<A NAME="audition">
<B>audition, </B>noun, verb.<DL COMPACT><DD><I>noun </I> <B>1. </B>a hearing to test the ability or suitability of a musician, actor, or other performer. <DD><B> 2. </B>the act of hearing. <DD><B> 3. </B>the power or sense of hearing. <DD><B> 4. </B>an object of hearing; something heard. <DD><I>v.t. </I> to give (a musician, actor, or performer) a hearing to test ability or suitability for a part. <DD><I>v.i. </I> to sing, act, or perform in an audition. </DL>
<B>auditor, </B>noun.<DL COMPACT><DD><B> 1. </B>a person who examines and checks business accounts. <DD><B> 2. </B>a person who attends the meetings of a class without receiving academic credit. <DD><B> 3. </B>a hearer; listener. <DD><B> 4. </B>a person who listens in a judicial capacity and tries cases brought before him. noun <B>auditorship.</B> </DL>
<A NAME="auditoria">
<B>auditoria, </B>noun.<DL COMPACT><DD> a plural of <B>auditorium.</B> </DL>
<A NAME="auditorily">
<B>auditorily, </B>adverb.<DL COMPACT><DD> by the use of hearing; with the sense of hearing. </DL>
<A NAME="auditorium">
<B>auditorium, </B>noun, pl. <B>-toriums,</B> <B>-toria.</B><DL COMPACT><DD><B> 1. </B>a large room for an audience in a church, theater, school, or other institution; large hall. <DD><B> 2. </B>a building especially designed for public meetings, lectures, concerts, or other large gatherings. </DL>
<A NAME="auditory">
<B>auditory, </B>adjective, noun, pl. <B>-ries.</B><DL COMPACT><DD><I>adj. </I> of or having to do with hearing, the sense of hearing, or the organs of hearing. <BR> <I>Ex. the auditory nerve.</I> (SYN) acoustic. <DD><I>noun </I> <B>1. </B><B>=audience.</B> <DD><B> 2. </B><B>=auditorium.</B> </DL>
<A NAME="auditoryarts">
<B>auditory arts,</B><DL COMPACT><DD> music and the theater. </DL>
<A NAME="auditorycanal">
<B>auditory canal,</B><DL COMPACT><DD> a duct from the eardrum to the external ear by which sound waves are transmitted from the outer to the inner ear. </DL>
<A NAME="auditorynerve">
<B>auditory nerve,</B><DL COMPACT><DD> a sensory nerve consisting of two fibers or branches, the cochlear, that carries impulses stimulated by sound to the brain, and the vestibular, that carries impulses in maintaining equilibrium. </DL>
<A NAME="auditress">
<B>auditress, </B>noun.<DL COMPACT><DD> a woman auditor. </DL>
<A NAME="audittrail">
<B>audit trail,</B><DL COMPACT><DD> a record of the passage of data in a computer or data processing machine, used especially to trace data from an output back to the original or source items. <BR> <I>Ex. the computer's audit trail--the internal monitoring system that can record all significant actions of the users (New Yorker).</I> </DL>
<A NAME="audubonscaracara">
<B>Audubon's caracara,</B><DL COMPACT><DD> a large bird of tropical America, related to the falcons, with a black crest and long, naked legs, feeding largely on carrion, ranging as far north as the southern United States. </DL>
<A NAME="audubonsoriole">
<B>Audubon's oriole,</B><DL COMPACT><DD> a large oriole, found especially in Texas and Mexico, with black head, upper breast, and tail, and yellowish-green back, shoulders, and hind part. </DL>
<A NAME="audubonswarbler">
<B>Audubon's warbler,</B><DL COMPACT><DD> a warbler having a yellow throat and white outer tail feathers, found from western Canada to Guatemala, common in the western United States. </DL>
<B>Aufklarung, </B>noun.<DL COMPACT><DD> (German.) <DD><B> 1. </B>enlightenment. <DD><B> 2. </B>a movement in France and elsewhere in the 1700's toward intellectual freedom. </DL>
<A NAME="aufond">
<B>au fond,</B><DL COMPACT><DD> (French.) at bottom; fundamentally; essentially. </DL>
<A NAME="aufwiedersehen">
<B>auf Wiedersehen,</B><DL COMPACT><DD> (German.) good-by for now; until we see each other again. </DL>
<A NAME="aug">
<B>aug.,</B><DL COMPACT><DD> augmentative. </DL>
<A NAME="aug">
<B>Aug.,</B><DL COMPACT><DD> August. </DL>
<A NAME="augean">
<B>Augean, </B>adjective.<DL COMPACT><DD><B> 1. </B>of Augeas or resembling his stables. <DD><B> 2. </B>(Figurative.) abominably filthy. <DD><B> 3. </B>(Figurative.) extremely difficult. <BR> <I>Ex. The Augean character of the street-club project's job is nowhere more evident than in a place like the Williamsburg section of Brooklyn (New Yorker).</I> </DL>
<A NAME="augeanstables">
<B>Augean stables,</B><DL COMPACT><DD> (Greek Legend.) the stables of Augeas, king of Elis, which sheltered 3,000 oxen and had not been cleaned for 30 years. As the sixth of his twelve labors, Hercules cleaned them in one day by turning the rivers Alpheus and Peneus through them. </DL>
<A NAME="augend">
<B>augend, </B>noun.<DL COMPACT><DD> a number or quantity to be increased by the addition of another. </DL>
<A NAME="auger">
<B>auger, </B>noun, verb.<DL COMPACT><DD><I>noun </I> <B>1. </B>a tool for boring holes in wood. <DD><B> 2. </B>a large tool for boring holes in the wood. <DD><B> 3. </B>a large tool for boring holes in the earth, ice, etc. <DD><I>v.t. </I> to bore or pierce with, or as if with, an auger. <BR> <I>Ex. The ridge has been augered on both sides (Atlantic).</I> </DL>
<A NAME="augereffect">
<B>Auger effect,</B><DL COMPACT><DD> the movement of electrons from the outer to the inner shells of the atom, accompanied by the loss of an electron from the atom, caused by the absorption of energy by the atom. </DL>
<A NAME="augerelectron">
<B>Auger electron,</B><DL COMPACT><DD> an electron emitted by an atom in the Auger effect. </DL>
<A NAME="augershell">
<B>auger shell,</B><DL COMPACT><DD><B> 1. </B>a gastropod commonly found in tropical seas, having an elongate, finely tapered shell that suggests an auger. <DD><B> 2. </B>the shell. </DL>
<A NAME="augershower">
<B>Auger shower,</B><DL COMPACT><DD> secondary rays of electrons and photons, created when a cosmic ray of high energy strikes the atmosphere. </DL>
<A NAME="aught">
<B>aught</B> (1), noun, adverb.<DL COMPACT><DD><I>noun </I> anything whatever. <BR> <I>Ex. Unfaith in aught is want of faith in all (Tennyson).</I> <DD><I>adv. </I> in any way; to any degree; at all. <BR> <I>Ex. Help came too late to avail aught. But none the glittering evil valued aught (William Morris).</I> <DD> Also, <B>ought.</B> </DL>
<B>aughtlins, </B>adverb.<DL COMPACT><DD> (Scottish.) at all. </DL>
<A NAME="augite">
<B>augite, </B>noun.<DL COMPACT><DD> a mineral, a variety of pyroxene having a greenish, brownish, or pure black color, occurring mostly in volcanic rocks. </DL>
<B>augment, </B>verb, noun.<DL COMPACT><DD><I>v.t. </I> <B>1. </B>to make greater in size, number, amount, or degree; enlarge. <BR> <I>Ex. The king augmented his power by taking over rights that had belonged to the nobles.</I> (SYN) amplify, swell. <DD><B> 2. </B>to add an augment to. <DD><I>v.i. </I> to become greater; increase; grow; swell. <BR> <I>Ex. The sound of traffic augments during the morning rush hour.</I> <DD><I>noun </I> <B>1. </B>a prefix or lengthened vowel marking the past tenses of verbs in Greek and Sanskrit. <DD><B> 2. </B>(Obsolete.) increase; augmentation. adj. <B>augmentable.</B> noun <B>augmenter,</B> <B>augmentor.</B> </DL>
<A NAME="augmentation">
<B>augmentation, </B>noun.<DL COMPACT><DD><B> 1. </B>the act of augmenting or state or condition of being made larger; enlargement or increase. <BR> <I>Ex. The power of the nobles declined with the augmentation of the power of the king.</I> <DD><B> 2. </B>a thing that augments; addition. <DD><B> 3. </B>(Music.) the transformation of a melody by doubling or otherwise proportionately increasing the time values of the original notes. </DL>
<A NAME="augmentative">
<B>augmentative, </B>adjective, noun.<DL COMPACT><DD><I>adj. </I> <B>1. </B>serving to augment. <DD><B> 2. </B>(Grammar.) increasing the force of the idea conveyed. <DD><I>noun </I> an augmentative affix or word. </DL>
<A NAME="augmented">
<B>augmented, </B>adjective.<DL COMPACT><DD> (Music.) increased from the corresponding normal tonic interval by a half tone. </DL>
