Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The science of ecology.

from The Century Dictionary.

  • noun 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 Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The study of an organism and its relation to its environment; ecology.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the branch of biology concerned with the relations between organisms and their environment

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[From French bionomique, pertaining to ecology, from bionomie, ecology : Greek bio-, bio- + Greek -nomiā, -nomy.]

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