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Dictionary

mach

Pronunciation: (mäk), [key]
—n.
a number indicating the ratio of the speed of an object to the speed of sound in the medium through which the object is moving. Abbr.: M Also,Mach.Also called mach number, Mach number. [after E. Mach]

Mach

Pronunciation: (mäk; Ger. mäkh), [key]
—n.
Ernst Pronunciation: (ernst), [key] 1838–1916, Austrian physicist, psychologist, and philosopher.

mach.

1. machine.
2. machinery.
3. machinist.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

macfarlane

Machabees

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