machmeter

[ mahk-mee-ter, mak- ]

noun

, Aeronautics.

1. a device that indicates airspeed relative to the speed of sound.

Machmeter

/ ˈmækˌmiːtə /

noun

1. an instrument for measuring the Mach number of an aircraft in flight

Word History and Origins

Origin of machmeter¹

mach + -meter