Definitions

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

Etymologies

From French bionomique, pertaining to ecology, from bionomie, ecology : Greek bio-, bio- + Greek -nomiā, -nomy.
(American Heritage® Dictionary of the English Language, Fourth Edition)

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