Definitions | Mach |
| noun (wikipedia, Mach number)
- (physics) a ratio of the speed (of an object, etc.) to the speed of sound in the fluid or other medium through which the object travels. Usually used to describe supersonic speeds.
- The jet traveled at 3.
- (physics) the Mach number
Translations: proper noun
- w:Ernst Mach, Ernst Mach, Czech physicist 1838 - 1916.
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