from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Neither having nor producing echoes: an anechoic chamber.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. lacking echos; that absorbs sound
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. not having or producing echoes; sound-absorbent
Sorry, no etymologies found.