from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A longitudinal pressure wave of audible or inaudible sound.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. the longitudinal wave of pressure that is transmitted through any plastic material; audible sound.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. (acoustics) a wave that transmits sound
Sorry, no etymologies found.