sonic

[son-ik]
adjective
1.
of or pertaining to sound.
2.
noting or pertaining to a speed equal to that of sound in air at the same height above sea level.

Origin:
1920–25; < Latin son(us) sound1 + -ic

multisonic, adjective
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Collins
World English Dictionary
sonic (ˈsɒnɪk)
 
adj
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
 
[C20: from Latin sonus sound]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

sonic
1923, from L. sonus "sound" (see sound (n.1)). Sonic boom is attested from 1952.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

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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Example sentences
The small space rock disintegrated high in the atmosphere, creating a sonic
  boom heard by numerous witnesses.
There is no sonic boom in a vacuum and no worry about animals or other vehicles.
Two explosions of the sun hyper sonic and super sonic.
The result is something called thermoacoustic or sonic refrigeration.
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