audio-

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-

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Collins
World English Dictionary
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-
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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