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methyl parathion

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

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