Mach number definition

Mach number

Topics Mach number Definition

WordNet

noun

(1) The ratio of the speed of a moving body to the speed of sound

WiktionaryText

Noun

Mach number

The ratio of the velocity of a body to that of sound in the surrounding medium.

See also

subsonic < Mach 1
transonic ~ Mach 1
supersonic > Mach 1
hypersonic >= Mach 5

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