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

• Arabic: please add this translation if you can
• Armenian: please add this translation if you can
• Catalan: nombre de Mach m
• Chinese:

  Mandarin: 馬赫數／马赫数 (zh), 马赫数 (zh)

• Czech: Machovo číslo f
• Dutch: machgetal n
• Esperanto: please add this translation if you can
• Estonian: Machi arv (et)
• Finnish: Machin luku
• (deprecated template usage) {{trans-mid}}
• Georgian: please add this translation if you can
• German: Mach-Zahl f
• Greek: αριθμός Μαχ m (arithmós Mach)
• Hebrew: please add this translation if you can
• Italian: numero di Mach m
• Japanese: please add this translation if you can
• Korean: please add this translation if you can
• Portuguese: número de Mach m, número Mach m
• Spanish: número Mach m
• Thai: เลขมัค

Coordinate terms

• hypersonic
• subsonic
• supersonic
• transonic

 

Further reading

• Mach number on Wikipedia.Wikipedia

References

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