from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Something that pollutes, especially a waste material that contaminates air, soil, or water.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A foreign substance that makes something dirty, or impure, especially waste from human activities.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. waste matter that contaminates the water or air or soil
Sorry, no etymologies found.