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English definition of “ecological”

ecological

adjective     /ˌiː.kəˈlɒdʒ.ɪ.kəl/ US  /-ˈlɑː.dʒɪ-/
B2 relating to ecology or the environment : The destruction of the rain forests is an ecological disaster .Environmental issuesRubbish and wasteProtection and protectors ecologically     /-ɪ.kəl.i/ adverb B2 It's an ecologically friendly / sound (= not harmful ) means of transport .Environmental issuesRubbish and wasteProtection and protectorsZoos and wildlife reserves
(Definition of ecological adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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