Library / English Dictionary |
MACH NUMBER
Pronunciation (US): | (GB): |
I. (noun)
Sense 1
Meaning:
The ratio of the speed of a moving body to the speed of sound
Classified under:
Nouns denoting relations between people or things or ideas
Hypernyms ("Mach number" is a kind of...):
ratio (the relative magnitudes of two quantities (usually expressed as a quotient))