ultrasonic

The definition of ultrasonic, also known as ultrasound, is sound waves that have a higher frequency than the human ear can hear.

(noun)

  1. An example of ultrasonic is an ultrasound image of an unborn baby
  2. An example of ultrasonic is a dog whistle that cannot be heard by humans,
  3. An example of ultrasonic is the detection of ships and objects underwater by bouncing a high frequency sound wave off their hulls, a process discovered by Paul Langevin, a Frenchman.

YourDictionary definition and usage example. Copyright © 2013 by LoveToKnow Corp.

See ultrasonic in Webster's New World College Dictionary

adjective

designating or of a frequency of mechanical vibrations above the range audible to the human ear, i.e., above 20,000 vibrations per second

Origin: ultra- + sonic

Related Forms:

See ultrasonic in American Heritage Dictionary 4

adjective
  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.

Related Forms:

  • ulˌtra·sonˈi·cal·ly adverb

Learn more about ultrasonic

link/cite print suggestion box