compressional
noun(com-pres-sion)
the act, process, or result of compressing
compressional
noun(com-pres-sion)
the state of being compressed
compressional
noun(com-pres-sion)
the process of compressing the fuel mixture in a cylinder of an internal combustion engine (as in an automobile)
compressional
noun(com-pres-sion)
a longitudinal wave (such as a sound wave) propagated by the elastic compression of the medium —called also compression wave