Mach number

English

Etymology

After the physicist Ernst Mach.

Noun

Mach number (uncountable)

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

Translations

ratio — see also Mach

• Catalan: nombre de Mach m
• Czech: Machovo číslo f
• Dutch: machgetal n
• Estonian: Machi arv
• Finnish: Machin luku
• (deprecated template usage) {{trans-mid}}
• 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