- a deep-brown to yellow, poisonous liquid, C10H14NO5PS, used as an insecticide.
Origin of parathion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a slightly water-soluble toxic oil, odourless and colourless when pure, used as an insecticide. Formula: C 10 H 14 NO 5 PS
C20: from para- 1 + thio- + -on
- A highly poisonous organic phosphate insecticide that is an irreversible inhibitor of cholinesterase.