Mach number
English
Etymology
After the physicist Ernst Mach.
Noun
Translations
ratio — see also Mach
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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