Mach - Definitions from Dictionary.com

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Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

mach

Audio Help [mahk] Pronunciation Key

–noun

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. Abbreviation: M

Also, Mach.

Also called mach number, Mach number.

[Origin: after E. Mach

]

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Encyclopædia Britannica, Inc.
Mach

To learn more about Mach visit Britannica.com

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Mach

Audio Help [mahk; Ger. mahkh] Pronunciation Key

–noun

Ernst

Audio Help [ernst] Pronunciation Key, 1838–1916, Austrian physicist, psychologist, and philosopher.

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

mach.

machine.

2.	machinery.

3.	machinist.

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

American Heritage Dictionary - Cite This Source - Share This

Mach also mach Audio Help (mäk) Pronunciation Key
n. Mach number.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

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Mach Audio Help (mäk, mäKH) Pronunciation Key
Austrian physicist and philosopher who played a central role in the development of logical positivism. His works include the influential Science of Mathematics (1883).

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Online Etymology Dictionary - Cite This Source - Share This
Mach

measure of speed relative to the speed of sound (technically Mach number), 1937, named in honor of Austrian physicist Ernst Mach (1838-1916).

WordNet - Cite This Source - Share This

mach
noun
Austrian physicist and philosopher who introduced the Mach number and who founded logical positivism (1838-1916)

The American Heritage Science Dictionary - Cite This Source - Share This

Mach Audio Help (mäk, mäKH) Pronunciation Key
Austrian physicist and philosopher who experimented with supersonic projectiles and the flow of gases, obtaining early photographs of shock waves and gas jets. His work laid an important foundation for later developments in the science of projectiles and aeronautical design, and the Mach number and Mach bands were named for him.

Free On-line Dictionary of Computing - Cite This Source - Share This

Mach
An operating system kernel under development at Carnegie-Mellon University to support distributed and parallel computation. Mach is designed to support computing environments consisting of networks of uniprocessors and multiprocessors. Mach is the kernel of the OSF/1.