Supersonic vs. Ultrasonic

Supersonic and Ultrasonic Definitions
Supersonic
Having, caused by, or relating to a speed greater than the speed of sound in a given medium, especially air.
Ultrasonic
Of or relating to acoustic frequencies above the range audible to the human ear, or above approximately 20,000 hertz.
Supersonic
Of or relating to sound waves with a frequency above the range audible to the human ear; ultrasonic.
Ultrasonic
Of, relating to, or involving ultrasound.
Supersonic
(of a speed) Greater than the speed of sound (in the same medium, and at the same temperature and pressure).
Ultrasonic
(acoustics) Beyond (higher in frequency than) the range of sound perceptible to the human ear; with a frequency of 20 kilohertz or higher.
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Supersonic
Ultrasonic, having a frequency too high to be audible.
Ultrasonic
Having frequencies above those of audible sound
Supersonic
An aircraft that can travel at the speed of sound.
Supersonic
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.
Supersonic
Capable of moving at speeds higher than the speed of sound; - of aircraft.
Supersonic
(of speed) greater than the speed of sound in a given medium (especially air);
A supersonic bomber flies so fast that it must release its bombs while the target is still over the horizon
Aircraft flying at subsonic speeds
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Supersonic
Having frequencies above those of audible sound