Definition of Machmeter in English:

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Pronunciation: /ˈmäkˌmēdər/


An instrument in an aircraft indicating airspeed as a Mach number.
Example sentences
  • Alternatively, the machmeter may be combined with the Air Speed Indicator (ASI), in which case it is often referred to as a Combined Speed Indicator (CSI).
  • No increase in speed was observed but he sensed that the drag level had increased, so he steepened the angle of dive until 0.96 appeared on the Machmeter.
  • On most aircraft you use your CAS to determine TAS up to a certain altitude, then use the Machmeter beyond that altitude.

For editors and proofreaders

Syllabification: Mach·me·ter

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