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[uhl-truh-son-iks] /ˌʌl trəˈsɒn ɪks/
noun, (used with a singular verb)
the branch of science that deals with the effects of sound waves above human perception.
Origin of ultrasonics
First recorded in 1930-35; See origin at ultrasonic, -ics Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for ultrasonics
Historical Examples
  • ultrasonics were nice, effective, humane police weapons, but they were unreliable.

    Temple Trouble Henry Beam Piper
British Dictionary definitions for ultrasonics


(functioning as sing) the branch of physics concerned with ultrasonic waves Also called supersonics
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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ultrasonics in Medicine

ultrasonics ul·tra·son·ics (ŭl'trə-sŏn'ĭks)

  1. The acoustics of ultrasonic sound.

  2. The science and technology that deals with ultrasound.

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