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ultrasonic

[uhl-truh-son-ik] /ˌʌl trəˈsɒn ɪk/
adjective
1.
of, pertaining to, or utilizing ultrasound.
Origin
1925-1930
1925-30; ultra- + sonic
Related forms
ultrasonically, adverb
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for ultra sonic

ultrasonic

/ˌʌltrəˈsɒnɪk/
adjective
1.
of, concerned with, or producing waves with the same nature as sound waves but frequencies above audio frequencies See also ultrasound
Derived Forms
ultrasonically, adverb
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 ultra sonic

ultrasonic

adj.

1923, "having frequency beyond the audible range," from ultra- + sonic. For sense, see supersonic.

Online Etymology Dictionary, © 2010 Douglas Harper
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ultra sonic in Medicine

ultrasonic ul·tra·son·ic (ŭl'trə-sŏn'ĭk)
adj.

  1. Of or relating to acoustic frequencies above the range audible to the human ear, or above approximately 20,000 hertz.

  2. Of, relating to, or involving ultrasound.


ul'tra·son'i·cal·ly adv.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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