Mach definitions

mäk
Mach number.
noun
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Machine.
abbreviation
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Machinery.
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Machinist.
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Ernst Mach, Austrian physicist 1838 - 1916.
pronoun
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(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 Mach 3.

noun
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(physics) The Mach number.
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(law) Abbreviation of machine.
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(law) Abbreviation of machinery.
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