or compressional wave
a shock wave that compresses the medium through which it is transmitted.
Compare expansion wave.
Origin of compression wave
First recorded in 1885–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for compression wave
Indeed a compression-wave of this kind passes through the gas-mixture, heated by the combustion to a very high temperature.