herbicide
noun/ˈhɜːbɪsaɪd/
/ˈɜːrbɪsaɪd/, /ˈhɜːrbɪsaɪd/
[countable, uncountable]- a chemical that is poisonous to plants, used to kill plants that are growing where they are not wanted see also insecticide, pesticide
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herbicide