machmeter

[ mahk-mee-ter, mak- ]
/ ˈmɑkˌmi tər, ˈmæk- /

noun Aeronautics.

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

Origin of machmeter

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

British Dictionary definitions for machmeter

Machmeter

/ (ˈmækˌmiːtə) /

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