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ultrasonics

American

[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.

ultrasonics British

/ ˌʌltrəˈsɒnɪks /

noun

Also called: supersonics. (functioning as singular) the branch of physics concerned with ultrasonic waves

"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

Etymology

Origin of ultrasonics

First recorded in 1930–35; see origin at ultrasonic, -ics

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The team turned to laser ultrasonics -- a nondestructive method that uses a short laser pulse tuned to ultrasound frequencies, to excite very thin materials such as gold films without physically touching them.

From Science Daily • Nov. 15, 2023

The higher trim levels of the Lucid Air, Dream Edition and Grand Touring, come with the automaker’s DreamDrive Pro ADAS, which includes 14 cameras, five radars, 12 ultrasonics, and lidar sensors.

From The Verge • Mar. 22, 2022

ReCell, headed by Jeff Spangenberger, has studied many different methods, including ultrasonics, but focused on thermal and solvent based methods.

From Reuters • Jul. 1, 2021

By contrast, ultrasonics pump out moisture at a constant rate.

From Slate • Dec. 6, 2018

Wood took up Loomis’s proposal to work in the developing field of ultrasonics, which involved sound waves with frequencies inaudible to humans.

From "Big Science" by Michael Hiltzik

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023