au·di·o

[aw-dee-oh]
adjective
1.
Electronics. designating an electronic apparatus using audio frequencies: audio amplifier.
2.
of, pertaining to, or employed in the transmission, reception, or reproduction of sound.
3.
of or pertaining to frequencies or signals in the audible range.
noun
4.
Television.
a.
the audio elements of television ( distinguished from video ).
b.
the circuits in a receiver for reproducing sound.
c.
the audio part of a television broadcast.
5.
the field of sound recording, transmission, reception, and reproduction.
00:10
Audio is always a great word to know.
So is quincunx. Does it mean:
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.

Origin:
1920–25; independent use of audio-

Dictionary.com Unabridged

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 ).

Origin:
< Latin audī- (stem of audīre to hear) + -o-

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Collins
World English Dictionary
audio (ˈɔːdɪˌəʊ) [Click for IPA pronunciation guide]
 
n
1.  of or relating to sound or hearing: audio frequency
2.  relating to or employed in the transmission, reception, or reproduction of sound
3.  of, concerned with, or operating at audio frequencies
 
[C20: independent use of audio-]

audio-
 
combining form
indicating hearing or sound: audiometer; audiovisual
 
[from Latin audīre to hear]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

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

audio-
from L. audire "hear," (see audience); first used in Eng. as a word-formation element 1913.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

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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FOLDOC
Computing Dictionary

audio definition

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.
(1999-07-30)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Example sentences
Audio forensic examiners are asked to authenticate recordings presented as evidence in criminal and civil court cases.
Add audio captions to travel photos and mementos by using this innovative digital recorder and playback device.
The the unique visit is self-guided with audio headsets.
It's a problem that plagues audio on tablets as a whole.
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