methyl parathion

noun

Chemistry.

1. a synthetic pesticide, C 8 H 1 0 NO 5 PS, used in the control of mites and various insects, as aphids, boll weevils, and cutworms.

Word History and Origins

Origin of methyl parathion¹

First recorded in 1955–60

Example Sentences

The Justice Department said late Thursday that Monsanto sprayed Penncap-M, which contained the banned pesticide methyl parathion, on research crops in 2014, despite knowing that the Environmental Protection Agency prohibited its use after 2013.

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The Department of Justice said late Thursday that Monsanto sprayed Penncap-M, which contained the banned pesticide methyl parathion, on research crops in 2014, despite knowing that the Environmental Protection Agency prohibited its use after 2013.

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The banned pesticide was methyl parathion, the active ingredient in Penncap-M, which the company used on corn seed and research crops in Kihei.

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Law enforcement raids often find illegal farms that have dammed or diverted public streams and dumped dangerous pesticides including carbofuran, methyl parathion and aluminum phosphate, Becerra said.

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Colombia bans use of methyl parathion — one of the two pesticides Ms. Grayson mentioned — and effectively bans use of the other, aldicarb, on flowers, as well.

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