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sound wave
This term describes a physical phenomenon of longitudinal pressure oscillations. It is primarily used in scientific, acoustic, and educational contexts to explain how energy moves from a source to a receiver through a medium. Unlike "noise" or "music," which describe the quality or organization of sound, "sound wave" refers specifically to the mechanical mechanism of transmission.
In technical discourse, it is often contrasted with electromagnetic waves, which can travel through a vacuum, whereas sound waves require a physical medium like air, water, or steel to propagate.
Meanings
Examples
A sound wave travels faster through water than through air.
The teacher explained how a sound wave is a longitudinal wave.
I wonder if a sound wave can be felt as a physical vibration.
The oscilloscope displays the sound wave as a jagged line on the screen.
A sound wave cannot travel through the vacuum of space.
The sonar system sends out a sound wave to detect underwater objects.
Look at how the sound wave changes when the pitch increases.
The massive explosion sent a powerful sound wave crashing through the valley.