Malathion Definition

mălə-thīŏn
noun
An organic phosphate, C10H19O6S2P, of relatively low toxicity for mammals, used as an insecticide.
Webster's New World

Trade name for a pesticide, Diethyl [(dimethoxyphosphinothioyl)-thio]butanedioate.

Wiktionary

Origin of Malathion

  • Alteration (influenced by parathion) of earlier malathon alteration of male(ate) (me)th(yl) –on (perhaps modeled on marathon)

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

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malathion