Pesticide
/pˈɛstəˌsaɪd/
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Definition
(noun) Anything, especially a synthetic substance but also any substance (e.g. sulfur), or virus, bacterium, or other organism, which kills or suppresses the activities of pests.
Sentence Examples
She sprayed pesticide on the flowers.
I'm afraid of heavy pesticide use.
CEFR Practice Quiz
The organic farm refused to use any ____ and relied on natural methods to protect the crops.