Parathion definition

părə-thīŏn
A poisonous yellowish liquid organophosphate compound, C10 H14 NO5 PS, used as an insecticide. Its use in the United States is highly restricted.
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A highly poisonous compound, C10H14O5NPS, commercially a colorless to dark-brown liquid, used as an agricultural insecticide.
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A poisonous yellowish liquid organophosphate compound, C10 H14 NO5 PS, used as an insecticide. Its use in the United States is highly restricted.
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O,O-Diethyl-O-4-nitro-phenylthiophosphate, a powerful, dangerously toxic insecticide.
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Origin of parathion

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

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