Etymology
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ecology (n.)

1873, oecology, "branch of science dealing with the relationship of living things to their environments," coined in German by German zoologist Ernst Haeckel as Ökologie, from Greek oikos "house, dwelling place, habitation" (from PIE root *weik- (1) "clan") + -logia "study of" (see -logy). In use with reference to anti-pollution activities from 1960s.

Origin and meaning of ecology

updated on October 13, 2021

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Definitions of ecology from WordNet

ecology (n.)
the environment as it relates to living organisms;
it changed the ecology of the island
ecology (n.)
the branch of biology concerned with the relations between organisms and their environment;
Synonyms: bionomics / environmental science
Etymologies are not definitions. From wordnet.princeton.edu, not affiliated with etymonline.