EXAMPLES | WORD ORIGIN noun, plural e·col·o·gies for defs 2, 3. the branch of biology dealing with the relations and interactions between organisms and their environment, including other organisms. the set of relationships existing between organisms and their environment: desert ecologies. the set of relationships existing between any complex system and its surroundings or environment: the ecology and politics of healthcare. Also called human ecology. the branch of sociology concerned with the spacing and interdependence of people and institutions. advocacy for the protection of natural resources from pollution or its effects; environmentalism.
, Archaic oe·col·o·gy. Origin of ecology 1870–75;
) “house, dwelling” +
German -logie -logy
; term introduced by E. H. Haeckel
Related forms ec·o·log·i·cal , [ek- uh- loj-i-k uh l, ee-k uh-] /ˌɛk əˈlɒdʒ ɪ kəl, ˌi kə-/ ec·o·log·ic, adjective ec·o·log·i·cal·ly, adverb e·col·o·gist, noun un·ec·o·log·i·cal, adjective un·ec·o·log·i·cal·ly, adverb
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for ecologically Contemporary Examples of ecologically Historical Examples of ecologically British Dictionary definitions for ecologically noun the study of the relationships between living organisms and their environment the set of relationships of a particular organism with its environment the study of the relationships between human groups and their physical environment
Also called (for senses 1, 2):
bionomics Derived Forms ecologist, noun Word Origin for ecology
C19: from German
Ökologie, from Greek oikos house (hence, environment)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for ecologically n.
1873, "branch of science dealing with the relationship of living things to their environments, coined by German zoologist Ernst Haeckel (1834-1919) as
Okologie, from Greek oikos "house, dwelling place, habitation" (see villa) + -logia "study of" (see -logy). In use with reference to anti-pollution activities from 1960s.
Online Etymology Dictionary, © 2010 Douglas Harper
n. The branch of science that is concerned with the relationships between organisms and their environments. The relationship between organisms and their environments. The study of the detrimental effects of modern civilization on the environment, with a view toward their prevention or reversal through conservation. Related forms e′co•log ( ′i•cal ē′kə-lŏj) null ′ĭ-kəl, ĕk′ə- adj. e•col ′o•gist n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
The scientific study of the relationships between living things and their environments. Also called bionomics A system of such relationships within a particular environment.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The study of living things, their environment, and the relation between the two.
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.