Mach number

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noun \ˈmäk-\

Definition of Mach number

  1. :  a number representing the ratio of the speed of a body (as an aircraft) to the speed of sound in a surrounding medium (as air)

Origin and Etymology of mach number

Ernst Mach †1916 Austrian physicist


First Known Use: 1937


Medical Dictionary

Mach number

play
noun \ˈmäk-\

Medical Definition of Mach number

  1. :  a number representing the ratio of the speed of a body to the speed of sound in a surrounding medium (as air) a Mach number of 2 indicates a speed that is twice that of sound


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