a unit for measuringspeed, especially of an aircraft, in relation to the speed of sound. Mach 1 is the speed of sound, Mach 2 is twice the speed of sound etc 马赫,马赫数〔速度单位,尤用于计算飞行速度,一马赫等于音速〕
a plane with a maximum speed of Mach 3
最大飞行速度为3马赫的飞机
Examples from the Corpus
Mach• The plane can sustain a speed of Mach 3, or three times the speed of sound.
OriginMach
(1900-2000) Ernst Mach (1838-1916), Austrian scientist