ALL meanings of mach number
mach num·ber
M m - noun mach number a number indicating the ratio of the speed of an object to the speed of sound in the medium through which the object is moving. Abbreviation: M. 1
- noun mach number the ratio of the speed of a body in a particular medium to the speed of sound in that medium. Mach number 1 corresponds to the speed of sound 0
- noun mach number a number representing the ratio of the speed of an object to the speed of sound in the surrounding medium, as air, through which the object is moving 0