from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See ecology.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The study of an organism and its relation to its environment; ecology.
from The Century Dictionary and Cyclopedia
- n. That branch of biologic science which treats of the conditions under which organisms live in their natural homes; the economics of biology; œcology (which see).
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the branch of biology concerned with the relations between organisms and their environment
From French bionomique, pertaining to ecology, from bionomie, ecology : Greek bio-, bio- + Greek -nomiā, -nomy.(American Heritage® Dictionary of the English Language, Fourth Edition)