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Merriam-Webster's Collegiate Dictionary au·dio
ETYMOLOGY audio- DATE 1916 1. of or relating to acoustic, mechanical, or electrical frequencies corresponding to normally audible sound waves which are of frequencies approximately from 15 to 20,000 hertz 2. a. of or relating to sound or its reproduction and especially high-fidelity reproduction b. relating to or used in the transmission or reception of sound — compare video c. of, relating to, or utilizing recorded sound
noun DATE 1934 1. an audio signal; broadly : sound 2. the section of television or motion-picture equipment that deals with sound 3. the transmission, reception, or reproduction of sound English Etymology audio "sound, especially recorded or transmitted," 1934, abstracted from prefix audio- (in audio-frequency, 1919, etc.), from L.audire "hear" (see audience). Oxford Advanced Learner's Dictionary-牛津双解-OALD7 audio audio / 5C:diEu; NAmE 5C:diou / adjective[only before noun] connected with sound that is recorded 声音的；录音的: audio and video cassettes 盒式录音带和录像带 • audio noun [U] Webster's Third New International Dictionary, Unabridged au·di·o I. \ˈȯdēˌō\ adjective Etymology: audio- 1. : of or relating to acoustic, mechanical, or electrical frequencies in the range of audible sound < audio signal > < audio amplifier > < audio transformer > 2. a. : of, relating to, or dealing with sound < audio waves > < audio research > < a new audio book > b. : relating to or used in the reproduction of sound (as in high-fidelity equipment) < an audio set > c. : relating to or used in the transmission or reception of sound (as in radio or television) < audio components of a television set > — compare video 3. a. : marked by special interest in and usually a technical knowledge of the mechanics of sound, especially its transmission, reception, and reproduction < audio experts > < audio enthusiasts > b. : specializing in the manufacture, distribution, sale, or promotion of audio equipment < an audio supply house > < an audio fair > 4. : of or relating to high fidelity < a disc that pleases any audio connoisseur > < a tape meeting exacting audio standards > II. noun (-s) 1. : the transmission, reception, or reproduction of sound especially in high fidelity 2. a. : the section of television equipment used to supply sound :electronic equipment primarily designed to handle signals of an audible frequency b. : the part of an electric or acoustic signal that falls in the audible frequency spectrum |
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