1. Austrian physicist and philosopher who introduced the Mach number and who founded logical positivism (1838-1916); [syn: Mach, Ernst Mach]
WordNet (r) 3.0 (2006):
Ernst Mach
n 1: Austrian physicist and philosopher who introduced the Mach
number and who founded logical positivism (1838-1916) [syn:
Mach, Ernst Mach]