methyl parathion


: a highly toxic synthetic organophosphate insecticide C8H10NO5PS
Methyl parathion, a restricted-use organophosphate insecticide that affects the central nervous system, is formulated only for outdoor use on cotton, soybeans, and other crops.Chemical & Engineering News

Examples of methyl parathion in a Sentence

Recent Examples on the Web At least 144 containers were labeled as methyl parathion and had liquids remaining in the bottoms., 15 Feb. 2017

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Word History

First Known Use

1957, in the meaning defined above

Time Traveler
The first known use of methyl parathion was in 1957

Dictionary Entries Near methyl parathion

Cite this Entry

“Methyl parathion.” Dictionary, Merriam-Webster, Accessed 18 Jul. 2024.

Medical Definition

methyl parathion

: a potent synthetic organophosphate insecticide C8H10NO5PS that is more toxic than parathion
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