malathion

(mal′ə t̸hīän′, -ən)

noun

an organic phosphate, CHOSP, of relatively low toxicity for mammals, used as an insecticide

Origin: < mal(ic) a(cid) + thion(ic)

See malathion in American Heritage Dictionary 4

A trademark used for the organic compound, C10H19O6PS2, used as an insecticide.

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