9 Grammatical Pitfalls


[aw-dee-oh] /ˈɔ diˌoʊ/
Electronics. designating an electronic apparatus using audio frequencies:
audio amplifier.
of, relating to, or employed in the transmission, reception, or reproduction of sound.
of or relating to frequencies or signals in the audible range.
  1. the audio elements of television (distinguished from video).
  2. the circuits in a receiver for reproducing sound.
  3. the audio part of a television broadcast.
the field of sound recording, transmission, reception, and reproduction.
Origin of audio
1920-25; independent use of audio-


a combining form used in the formation of compound words, with the meanings: “sound within the range of human hearing” (audiometer); “hearing” (audiology); “sound reproduction” (audiophile).
< Latin audī- (stem of audīre to hear) + -o- Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for audio
  • The audio quality of different devices and approaches varies widely.
  • Add audio captions to travel photos and mementos by using this innovative digital recorder and playback device.
  • It was a beautiful day, good for pictures and video, but windy enough to interfere with audio recording.
  • The bedside panel also controls home security, lighting, and audio.
  • You'll also need audio sources of your own to add to what you use of the original mix.
  • It first locates the sources of the audio and then separates the sounds with computational filters.
  • It's a problem that plagues audio on tablets as a whole.
  • Cheap audio storage combined with searchable audio files could make reading and writing specialties.
  • Can listen to instructor-led audio workout routines via proprietary memory cards.
  • audio forensic examiners are asked to authenticate recordings presented as evidence in criminal and civil court cases.
British Dictionary definitions for audio


noun (modifier)
of or relating to sound or hearing: audio frequency
relating to or employed in the transmission, reception, or reproduction of sound
of, concerned with, or operating at audio frequencies
Compare video
Word Origin
C20: independent use of audio-


combining form
indicating hearing or sound: audiometer, audiovisual
Word Origin
from Latin audīre to hear
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for audio

"sound," especially recorded or transmitted, 1934, abstracted from prefix audio- (in audio-frequency, 1919, etc.), from Latin audire "hear" (see audience).


word-forming element meaning "sound, hearing," from comb. form of Latin audire "hear," (see audience); first used in English as a word-formation element 1913.

Online Etymology Dictionary, © 2010 Douglas Harper
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audio in Medicine

audio- pref.

  1. Hearing: audiology.

  2. Sound: audiogenic.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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audio in Technology

file format
Sound, one component of multimedia. Computers (and audio compact discs and digital audio tape) work with digital audio, in contrast to vinyl disks or analogue tape.

The Free On-line Dictionary of Computing, © Denis Howe 2010
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