Dictionary  machPronunciation: (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] MachPronunciation: (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.
See also:
|
Atlas
Encyclopedia
Dictionary
Thesaurus
Day in History
