Dictionary.com

ecology

[ ih-kol-uh-jee ]
/ ɪˈkɒl ə dʒi /
Save This Word!
See synonyms for: ecology / ecological / ecologist on Thesaurus.com

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.

QUIZZES

QUIZ YOURSELF ON “ITS” VS. “IT’S”!

Apostrophes can be tricky; prove you know the difference between it’s and its in this crafty quiz!
Question 1 of 12
On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.
Also Archaic, oe·col·o·gy .

Origin of ecology

1870–75; earlier oecology<German Ökologie<Greek oîk(os) “house, dwelling” + -o- + German -logie-logy; term introduced by E. H. Haeckel
biosphere, ecology , ecosystem, environment, habitat
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for ecology

ecology
/ (ɪˈkɒlədʒɪ) /

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
ecologist, noun
C19: from German Ökologie, from Greek oikos house (hence, environment)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for ecology

ecology
[ ĭ-kŏlə-jē ]

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.
e′co•logi•cal (ē′kə-lŏjĭ-kəl, ĕk′ə-) null adj.e•colo•gist n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for ecology

ecology
[ ĭ-kŏlə-jē ]

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.

Cultural definitions for ecology

ecology

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.
What's This Word?