MACH


Meaning of MACH in English

I. ˈmäk noun

Etymology: Mach number

Date: 1946

: a usually high speed expressed by a Mach number

an airplane flying at Mach 2

II. ˈmäḵ, ˈmäk biographical name

Ernst 1838-1916 Austrian physicist & philosopher

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.