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  • Word comparison: ultrasonic vs. ultrasound

ultrasonic vs. ultrasound

adjective

  1. of, relating to, or utilizing ultrasound.

noun

  1. Physics.,  sound with a frequency greater than 20,000 Hz, approximately the upper limit of human hearing.

  2. Medicine/Medical.,  the application of ultrasonic waves to therapy or diagnostics, as in deep-heat treatment of a joint or imaging of internal structures.