machmeter

[mahk-mee-ter, mak-]

noun Aeronautics.

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

Origin of machmeter

mach + -meter

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for machmeter

Machmeter

noun

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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012