Meaning of “environmentalist” in the English Dictionary

british dictionary

(Definition of “environmentalist” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"environmentalist" in American English

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environmentalistnoun [ C ]

us /ɪnˌvɑɪ·rənˈmen·təl·ɪst, -ˌvɑɪ·ərn-/

earth science a person who has a specially strong interest in or knowledge of the natural environment, and who wants to preserve it and prevent damage to it:

Environmentalists are working to improve the quality of our lakes and rivers.

(Definition of “environmentalist” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"environmentalist" in Business English

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environmentalistnoun [ C ]

uk /ɪnˌvaɪərənˈmentəlɪst/ us ENVIRONMENT

a person who studies the environment or believes that it must be protected from damage by human activities:

Environmentalists would like to see even more ambitious goals to reduce greenhouse gas emissions.
an environmentalist group/movement

(Definition of “environmentalist” from the Cambridge Business English Dictionary © Cambridge University Press)