chlorpyrifos
noun Etymology: chlor- + pyridine + -fos (alteration of phosphorus) Date: 1970 a toxic crystalline organophosphate pesticide C9H11Cl3NO3PS that inhibits acetylcholinesterase and is used to control insect pests and ticks

New Collegiate Dictionary. 2001.

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  • Chlorpyrifos — I …   Wikipedia

  • Chlorpyrifos — Strukturformel Allgemeines Name Chlorpyrifos Andere Namen …   Deutsch Wikipedia

  • Chlorpyrifos — An insecticide that has adverse neurological effects. Also known as Dursban. Chlorpyrifos causes weakness, vomiting, diarrhea and other ill effects in children. It can also cause blurred vision and memory loss. Anyone can be exposed when the… …   Medical dictionary

  • chlorpyrifos — /klawr pir euh fos , klohr /, n. a broad spectrum insecticide, C9H11Cl3NO3PS, used on lawns and ornamental plants. [CHLOR 2 + PYRI(DINE) + fos, for PHOSPHORUS] * * * …   Universalium

  • chlorpyrifos — noun A crystalline organophosphate insecticide that inhibits acetylcholinesterase …   Wiktionary

  • chlorpyrifos — chlor·pyr·i·fos …   English syllables

  • chlorpyrifos — /klɔpaɪˈrifɒs/ (say klawpuy reefos) noun an organophosphate pesticide, C9H11Cl3NO3PS, used on some crops and in flea collars for animals. {chlor(ine) + pyr(idil) + phos(phorothioate)} …   Australian English dictionary

  • chlorpyrifos — noun a common organophosphate insecticide • Hypernyms: ↑organophosphate …   Useful english dictionary

  • Reference dose — A reference dose is the United States Environmental Protection Agency s maximum acceptable oral dose of a toxic substance. Reference doses are most commonly determined for pesticides. The EPA defines an oral reference dose (abbreviated RfD) as:… …   Wikipedia

  • Organophosphate — General chemical structure of an organophosphate An organophosphate (sometimes abbreviated OP) is the general name for esters of phosphoric acid. Phosphates are probably the most pervasive organophosphorus compounds. Many of the most important… …   Wikipedia

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