Meaning of the word mach in English

What does mach mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

mach

US /mɑːk/
UK /mɑːk/

Noun

the ratio of the speed of an object to the speed of sound in the surrounding medium

Example:
The jet flew at Mach 2, twice the speed of sound.
Supersonic aircraft can reach speeds of Mach 1 or higher.