sound wave Hear it!

sound wave Definition

sound wave

noun

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)

sound wave Usage Examples

Converse of object

  • emit: She uses a sonar system that emits sound waves.
  • use: Ultrasound Ultrasound scans are a way of producing pictures of inside the body using sound waves.

Preposition: in

  • air: The force on a panel due to a sound wave in air could be described by Newtons Second Law of Motion.