amitraz

noun

am·​i·​traz ˈa-mə-ˌtraz 

: a pesticide C₁₉H₂₃N₃ used as an insecticide on crops and to control ticks, lice, and mites on animals (such as dogs and cows)

… a new tick collar containing the chemical amitraz is effective in preventing ticks from attaching to the animal and is usually safe to use short-term.

—Shawn Messonnier, Dallas Morning News, 4 May 2005

Word History

Etymology

probably by rearrangement of letters from the systematic name 1,5-di-(2,4-dimethylphenyl)-3-methyl-1,3,5-triazapenta-l, 4-diene

First Known Use

1975, in the meaning defined above

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