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sonic

[son-ik] /ˈsɒn ɪk/
adjective
1.
of or relating to sound.
2.
noting or pertaining to a speed equal to that of sound in air at the same height above sea level.
Origin of sonic
1920-1925
1920-25; < Latin son(us) sound1 + -ic
Related forms
multisonic, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for sonic

sonic

/ˈsɒnɪk/
adjective
1.
of, involving, or producing sound
2.
having a speed about equal to that of sound in air: 331 metres per second (741 miles per hour) at 0°C
Word Origin
C20: from Latin sonus sound
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 sonic
adj.

1923, from Latin sonus "sound" (see sound (n.1)) + -ic. Sonic boom is attested from 1952.

Online Etymology Dictionary, © 2010 Douglas Harper
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sonic in Medicine

sonic son·ic (sŏn'ĭk)
adj.
Of, relating to, or determined by audible sound.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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7
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