parathion

English

Etymology

From para- (p-) +‎ -thion.

Pronunciation

  • IPA(key): /pæɹəˈθaɪɒn/

Noun

parathion (countable and uncountable, plural parathions)

  1. An organophosphorus insecticide acaricide, [O,O-diethyl-O-4-nitro-phenylthiophosphate], a powerful, dangerously toxic insecticide.

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