ul·tra·son·ics
(ŭl′trə-sŏn′ĭks)n. (used with a sing. verb)1. The acoustics of ultrasonic sound.
2. The science and technology that deals with the study and application of ultrasound.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ultrasonics
(ˌʌltrəˈsɒnɪks) n (General Physics) (functioning as singular) the branch of physics concerned with ultrasonic waves. Also called: supersonics
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ul•tra•son•ics
(ˌʌl trəˈsɒn ɪks)
n. (used with a sing. v.) the study of the effects of sound waves having wavelengths above the limits of human perception.
[1930–35]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ultrasonics
the science or study of ultrasonic vibrations, those belonging to a frequency above the audio range. — ultrasonic, adj.
See also: Sound-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
ultrasonics
The study of frequencies higher than those we can hear.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited