Definition:Supersonic
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Definition
The speed of a body $B$ is defined as supersonic if and only if its Mach number is greater than $1$.
That is, if $B$ is moving faster than the speed of sound in the fluid in which it is moving.
Sources
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): Mach number
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): Mach number