Etymology
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ecological (adj.)

1899, see ecology + -ical. Related: Ecologically.

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Definitions of ecological

ecological (adj.)
characterized by the interdependence of living organisms in an environment;
an ecological disaster
Synonyms: ecologic
ecological (adj.)
of or relating to the science of ecology;
ecological research
Synonyms: ecologic / bionomical / bionomic
From wordnet.princeton.edu