Longman Dictionary of Contemporary English homepage

Topic: BIOLOGY


ecological

adjective
     
e‧co‧lo‧gi‧cal [only before noun]
1SGE connected with the way plants, animals, and people are related to each other and to their environment [↪ environmental]:
an ecological disaster
2SGE interested in preserving the environment [↪ environment]:
ecological groups
ecologically adverb:
an ecologically-sound production process
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