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ultrasonic

American  
[uhl-truh-son-ik] / ˌʌl trəˈsɒn ɪk /

adjective

  1. of, relating to, or utilizing ultrasound.


ultrasonic British  
/ ˌʌltrəˈsɒnɪk /

adjective

  1. of, concerned with, or producing waves with the same nature as sound waves but frequencies above audio frequencies See also ultrasound

"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

Other Word Forms

  • ultrasonically adverb

Etymology

Origin of ultrasonic

First recorded in 1925–30; ultra- + sonic

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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.

And how long before this hyperbaric, ultrasonic sewing machine spins a bobbin?

From The Wall Street Journal

He added the ultrasonic speakers are lowered into the seabed "a bit like a lobster pot".

From BBC

Our friend Harvey wears both belts and braces: 10 cameras; five range-sensing lidar units and a dozen ultrasonic parking sensors, which combine to paint a world map in multiple wavelengths.

From The Wall Street Journal

Instead of relying on solar heating, the team uses ultrasonic vibrations that shake the moisture loose.

From Science Daily

For 45 minutes, a “Q-facial” machine sprayed, vacuumed, exfoliated and hydrated my face, delivering ultrasonic waves at two different depths.

From The Wall Street Journal