Sound waves are the waves of energy that we hear as sound.
Speech is made up of sound waves that vary in frequency and intensity.
sound wave in British English
noun
a wave that propagates sound
sound wave in American English
Physics
a longitudinal pressure wave stimulated by a mechanical disturbance of an elastic medium, as air, at some source and propagated by the action of disturbed particles on adjacent particles; esp., any of such waves within the range of those audible to the human ear (c. 15 cycles to 20,000 cycles per second)
Examples of 'sound wave' in a sentence
sound wave
I nearly fell off my stool with the shock of the sound wave.
Val McDermid DEAD BEAT (2002)
The particles pulse in a coordinated front, and generate a sound wave.