(redirected from Parathion-methyl)
Also found in: Thesaurus, Medical, Encyclopedia.


A poisonous yellowish liquid organophosphate compound, C10H14NO5PS, used as an insecticide. Its use in the United States is highly restricted.

[para- + thio(phosphate), phosphoric acid salt (thio- + phosphate) + -on.]


(Elements & Compounds) a slightly water-soluble toxic oil, odourless and colourless when pure, used as an insecticide. Formula: C10H14NO5PS
[C20: from para-1 + thio- + -on]


(ˌpær əˈθaɪ ɒn)

a deep brown to yellow, poisonous liquid, C10H14NO5PS, used as an insecticide.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.parathion - a colorless and odorless toxic oil used as an insecticide
insect powder, insecticide - a chemical used to kill insects


n paratión m
References in periodicals archive ?
Five different OCPs (alachlor, HCB dieldrin, methxychlor and linadane) and three different OPPs (malathion, parathion-methyl and chlorpyrifos) were identified in fresh milk samples.
Comparing the inhibitory effects of five protoxicant organophosphates (azinphos-methyl, parathion-methyl, chlorpyrifos- methyl, methamidophos and diazinon) on the spontaneously beating auricle of Sparus aurata: An in vitro study.
They relate specifically to the following substances: 2,4,5-T, chlorobenzilate, parathion-methyl, monocrotophos and phosphamidon (replacing the provisional import decisions 2000/657/EC) and polybrominated biphenyls (PBB -replacing the earlier import decision of 1995 in order particularly to take into account the total ban on PBBs since 1993).