Mach number

English

Etymology

After the physicist Ernst Mach.

Noun

Mach number (uncountable)

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

Translations

ratio — See also translations at Mach

Catalan: nombre de Mach m
Czech: Machovo číslo f
Dutch: machgetal n
Estonian: Machi arv
Finnish: Machin luku

German: Mach-Zahl f
Italian: numero di Mach m
Portuguese: número de Mach m, número Mach m
Spanish: número Mach m

See also

subsonic : under Mach 1
transonic : around Mach 1
supersonic : Mach 1
hypersonic : at or over Mach 5

References

JP 1-02 Department of Defense Dictionary of Military and Associated Terms

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