English dictionary



Hint: In most browsers you can lookup any word by double click it.

English noun: Mach number

1. Mach number the ratio of the speed of a moving body to the speed of sound


Broader (hypernym)ratio









Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
2025 onlineordbog.dk