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mach

or Mach

[ mahk ]
/ mɑk /
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noun

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Origin of mach

After Ernst Mach

Definition for mach (2 of 3)

Mach
[ mahk; German mahkh ]
/ mɑk; German mɑx /

noun

Ernst [ernst], /ɛrnst/, 1838–1916, Austrian physicist, psychologist, and philosopher.

Definition for mach (3 of 3)

mach.

abbreviation

machine.
machinery.
machinist.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for mach

British Dictionary definitions for mach (1 of 2)

Mach1
/ (mæk) /

noun

short for Mach number

British Dictionary definitions for mach (2 of 2)

Mach2
/ (German max) /

noun

Ernst (ɛrnst). 1838–1916, Austrian physicist and philosopher. He devised the system of speed measurement using the Mach number. He also founded logical positivism, asserting that the validity of a scientific law is proved only after empirical testing
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for mach

Mach
[ mäk, mäKH ]
Ernst 1838-1916

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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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