parathion
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English[edit]
Etymology[edit]
From para- + thio- + -on.[1]
Pronunciation[edit]
Noun[edit]
parathion (countable and uncountable, plural parathions)
- An organophosphorus insecticide acaricide, [O,O-diethyl-O-4-nitro-phenylthiophosphate], a powerful, dangerously toxic insecticide.
References[edit]
- ^ “parathion”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.