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audio-

1.
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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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for audio-

audio-

combining form
1.
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-

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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Difficulty index for audio-

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Word Value for audio

6
7
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