Parathion Definition

părə-thīŏn
noun
A highly poisonous compound, C10H14O5NPS, commercially a colorless to dark-brown liquid, used as an agricultural insecticide.
Webster's New World

O,O-Diethyl-O-4-nitro-phenylthiophosphate, a powerful, dangerously toxic insecticide.

Wiktionary

Origin of Parathion

  • para– thio(phosphate) phosphoric acid salt (thio–) (phosphate) –on

    From American Heritage Dictionary of the English Language, 5th Edition

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parathion