- a longitudinal wave in an elastic medium, especially a wave producing an audible sensation.
Origin of sound wave
First recorded in 1865–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for sound wave
His word of command is but a sound-wave in air, except as it is followed by labor.Jesus the Christ
James Edward Talmage
In other words, the terms, "vibration" and "sound-wave," are synonymous.Piano Tuning
J. Cree Fischer
The sunlight is for one sense and the sound-wave is for the other.
The sound-wave travels on the atmosphere, and preserves its integrity.
The sound-wave immediately produced a movement of the diaphragm, causing the stylus to make a mark on the record diagram.
- a wave that propagates sound
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012