ultrasonic

adjective

1. of, relating to, or utilizing ultrasound.

adjective

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

adj.1923, “having frequency beyond the audible range,” from ultra- + sonic. For sense, see supersonic. adj.

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.

1. Sound whose frequency is above the upper limit of the range of human hearing (approximately 20 kilohertz).
2. See ultrasonography.
3. An image produced by ultrasonography.