Skip to Content

Mach number

Pronunciation: mahk

Definition: a number representing the ratio between the speed of an object moving through a fluid medium, such as air, and the speed of sound in the same medium.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

Hide