Dictionary

parathion

noun para·thi·on \ˌpa-rə-ˈthī-ən, -ˌän\

Definition of PARATHION

:  an extremely toxic insecticide C10H14NO5PS

Origin of PARATHION

para- + thiophosphate + 1-on
First Known Use: 1947

parathion

noun para·thi·on \ˌpar-ə-ˈthī-ən, -ˌän\   (Medical Dictionary)

Medical Definition of PARATHION

:  an extremely toxic thiophosphate insecticide C10H14NO5PS

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