Longman Dictionary of Contemporary English homepage

Topic: BIOLOGY

Date: 1800-1900
Language: Greek
Origin: oikos 'house, living place'

ecology

noun
     
e‧col‧o‧gy [singular, uncountable]
the way in which plants, animals, and people are related to each other and to their environment, or the scientific study of this [↪ environment]:
the natural ecology of the Earth
plant ecology
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