AskDefine | Define Mach

Dictionary Definition

Mach n : Austrian physicist and philosopher who introduced the Mach number and who founded logical positivism (1838-1916) [syn: Ernst Mach]

User Contributed Dictionary

see mach



  • RP:
    • /mɑːk/, /mæk/, /maːx/

Proper noun

  1. Ernst Mach, Czech physicist 1838 - 1916.


  1. 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.
  2. the Mach number


the Mach number

Usage notes

  • Never plural.
  • Always precedes the number, as in the example above.



From the standard New High German Macht.


  1. might, power

Extensive Definition

Mach may refer to:
In Computers:
  • ATI Mach, a 2D GPU chip by ATI
  • Mach-II, an object-oriented MVC framework for CFML and PHP
  • Mach (kernel), an operating systems kernel technology used, for example, in Mac OS X
    • GNU Mach, the microkernel upon which GNU Hurd is based
In Entertainment:
  • M.A.C.H., a flight combat video game for the PlayStation Portable
  • Mach 3, a video game developed and published by Loriciels
  • Mach Rider a futuristic driving video game
Mach in Czech: Mach
Mach in German: Mach (Begriffsklärung)
Mach in Modern Greek (1453-): Μαχ (αποσαφήνιση)
Mach in Spanish: Mach
Mach in French: Mach
Mach in Italian: Mach
Mach in Hebrew: מאך
Mach in Dutch: Mach
Mach in Japanese: マッハ (曖昧さ回避)
Mach in Polish: Mach
Mach in Portuguese: Mach
Mach in Romanian: Mach
Mach in Russian: Мах
Mach in Slovak: Mach
Mach in Finnish: Mach
Privacy Policy, About Us, Terms and Conditions, Contact Us
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2
Material from Wikipedia, Wiktionary, Dict
Valid HTML 4.01 Strict, Valid CSS Level 2.1