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Supersonic vs. Ultrasonic: What's the Difference?

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).
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Ultrasonic

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

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.
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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

Supersonic

Having frequencies above those of audible sound

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