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methyl parathion

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noun Chemistry.
  1. a synthetic pesticide, C8H10NO5PS, used in the control of mites and various insects, as aphids, boll weevils, and cutworms.

Origin of methyl parathion

First recorded in 1955–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018