Machmeter
An instrument that measures the speed of an aircraft relative to that of sound and displays it in Mach numbers.
Noun
- An instrument that measures the speed of an aircraft relative to that of sound and displays it in Mach numbers.
- Many high performance aircraft are equipped with a Machmeter for monitoring Mcrit. The Machmeter is essentially an airspeed instrument that is calibrated in relation to Mach on the dial. - 2012, Aviation Maintenance...
Origin
Etymology tree English Mach Proto-Indo-European *meh₁- Proto-Indo-European *-trom Proto-Hellenic *-tron Ancient Greek -τρον (-tron) Ancient Greek μέτρον (métron)der. English -meter English Machmeter From Mach + -meter.