am·​i·​traz ˈa-mə-ˌtraz How to pronounce amitraz (audio)
: 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


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

Time Traveler
The first known use of amitraz was in 1975

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Cite this Entry

“Amitraz.” Dictionary, Merriam-Webster, Accessed 1 Mar. 2024.

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