Supersonic vs. Ultrasonic

Supersonicadjective

(of a speed) greater than the speed of sound (in the same medium, and at the same temperature and pressure)

Supersonicadjective

ultrasonic, having a frequency too high to be audible

Supersonicnoun

An aircraft that can travel at the speed of sound.

Supersonicadjective

Moving at a speed greater than the speed of sound in air; - this speed varies with altitude, since the speed of sound varies with altitude, as well as with temperature and humidity, being approximately 1129 feet per second at sea level and 984 feet per second at 16 miles altitude.

Supersonicadjective

Capable of moving at speeds higher than the speed of sound; - of aircraft.

Supersonicadjective

(of speed) greater than the speed of sound in a given medium (especially air);

Supersonicadjective

having frequencies above those of audible sound

Supersonicadjective

involving or denoting a speed greater than that of sound

Ultrasonicadjective

(acoustics) Beyond (higher in frequency than) the range of sound perceptible to the human ear; with a frequency of 20 kilohertz or higher.

Ultrasonicadjective

having frequencies above those of audible sound

Ultrasonicadjective

of or involving sound waves with a frequency above the upper limit of human hearing.