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ecological

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adjective [usually before noun] ecological pronunciation in American English /ˌekəˈlɑdʒɪk(ə)l/
  1. 1
    relating to the environment and the way that plants, animals, and humans live together and affect each other

    worldwide ecological changes

    The earthquake has caused an ecological disaster.

  2. 2
    working to protect the environment

    It is known as one of the country's leading ecological groups.

derived word

ecologically

 ecological pronunciation in American English /ˌekəˈlɑdʒɪkli/  adverb

an ecologically sound product

ecologically sensitive areas

pre-cation

a paid holiday given to a new employee before they start their job

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