wikipedia
English
Etymology
After the physicist Mach|Ernst Mach.
Noun
Mach number
- physics The ratio of the velocity of a body to that of sound in the surrounding medium.
References
JP 1-02 Department of Defense Dictionary of Military and Associated Terms
Translations
Finnish: Machin luku
mid
See also
subsonic < Mach 1
transonic ~ Mach 1
supersonic > Mach 1
hypersonic >= Mach 5
Category:English eponyms
Category:Units of measure
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