chlorpyrifos

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

Definition of CHLORPYRIFOS

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

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

First Known Use: 1970

Medical Dictionary

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

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

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