Definition of parathion in English:


Syllabification: par·a·thi·on
Pronunciation: /ˌparəˈTHīˌän


  • A highly toxic synthetic compound containing phosphorus and sulfur, used as an agricultural insecticide.
    More example sentences
    • These pesticides include the insecticides methyl parathion, lindane and DDT.
    • The organophosphate type of insecticides (examples parathion and malathion) vary greatly in their toxicity and hazard to man.
    • Some prominent examples are the insecticides parathion, fenitrothion, malathion, and phosphamidon.


1940s: from para-1 ( sense 2) + thio- + -on.

More definitions of parathion

Definition of parathion in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day maelstrom
Pronunciation: ˈmālˌsträm
a powerful whirlpool in the sea