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chlorpyrifos

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noun chlor·pyr·i·fos \-ˈpir-ə-fäs, -ˈpī-rə\

Definition of chlorpyrifos

  1. :  a toxic crystalline organophosphate pesticide C9H11Cl3NO3PS that inhibits acetylcholinesterase and is used to control insect pests and ticks



Origin and Etymology of chlorpyrifos

chlor- + pyridine + -fos (alteration of phosphorus)


First Known Use: 1970


Medical Dictionary

chlorpyrifos

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noun chlor·pyr·i·fos \-ˈpir-ə-fäs, -ˈpī-rə-\

Medical Definition of chlorpyrifos

  1. :  a toxic crystalline organophosphate pesticide C9H11Cl3NO3PS that inhibits acetylcholinesterase and is used to control insect pests and ticks




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