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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.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(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]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌpær əˈθaɪ ɒn)

a deep brown to yellow, poisonous liquid, C10H14NO5PS, used as an insecticide.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.parathion - a colorless and odorless toxic oil used as an insecticide
insect powder, insecticide - a chemical used to kill insects
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


n paratión m
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
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.
Salinas-Lopez, "Rapid and sensitive determination of 4-nitrophenol, 3-methyl-4-nitrophenol, 4,6-dinitro-o-cresol, parathion-methyl, fenitrothion, and parathion-ethyl by liquid chromatography with electrochemical detection," Journal of Agricultural and Food Chemistry, vol.