malathion

noun mal·a·thi·on \ˌma-lə-ˈthī-ən, -ˌän\

Definition of MALATHION

: an organophosphate broad-spectrum insecticide C₁₀H₁₉O₆PS₂ that is considerably less toxic to mammals than parathion

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from Malathion, a trademark

First Known Use: 1953

Medical Dictionary

noun mal·a·thi·on \ˌmal-ə-ˈthī-ən, -ˌän\

: a thiophosphate insecticide C₁₀H₁₉O₆PS₂ with a lower mammalian toxicity than parathion

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