[ awr-guh-noh-fos-feyt, awr-gan-uh‐ ]

  1. Biochemistry. any of a variety of organic compounds that contain phosphorus and often have intense neurotoxic activity: originally developed as nerve gases, now widely used as insecticides and fire retardants.

Origin of organophosphate

First recorded in 1945–50; organo- + phosphate
  • Also called or·ga·no·phos·pho·rus com·pounds [awr-guh-noh-fos-fer-uhs, awr-gan-uh‐]. /ˌɔr gə noʊˈfɒs fər əs, ɔrˌgæn ə‐/.

Words Nearby organophosphate Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use organophosphate in a sentence

  • The researchers can swap in sensors for other pathogens, including influenza, Ebola, and Zika, or sensors they have developed to detect organophosphate nerve agents.

    Multifunction masks | Anne Trafton | August 24, 2021 | MIT Technology Review

British Dictionary definitions for organophosphate


/ (ɔːˌɡænəʊˈfɒsfeɪt) /

  1. any of a group of organic compounds containing phosphate groups and used as a pesticide

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012