Etymology
Advertisement

supersonic (adj.)

1919, "of or having to do with sound waves beyond the limit of human hearing," from super- + sonic. Attested from 1934 in sense of "exceeding the speed of sound" (especially as a measure of aircraft speed), leaving the original sense to ultrasonic (1923).

Others are reading

Advertisement
Advertisement
Definitions of supersonic

supersonic (adj.)
(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
supersonic (adj.)
having frequencies above those of audible sound;
Synonyms: ultrasonic
From wordnet.princeton.edu