Mach

from WordNet (r) 3.0 (2006)

Mach
    n 1: Austrian physicist and philosopher who introduced the Mach
         number and who founded logical positivism (1838-1916) [syn:
         {Mach}, {Ernst Mach}]

from The Free On-line Dictionary of Computing (8 July 2008)

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.

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

MACH
       Multilayer ACtuator Head