pyrethroid

noun

py·​re·​throid pī-ˈrē-ˌthrȯid How to pronounce pyrethroid (audio) -ˈre- How to pronounce pyrethroid (audio)
: any of various synthetic compounds that are related to the pyrethrins and resemble them in insecticidal properties
pyrethroid adjective

Examples of pyrethroid in a Sentence

Recent Examples on the Web Children and infants are the most vulnerable group to pyrethroids. Kate Oczypok, Better Homes & Gardens, 4 Oct. 2023 However, mosquito sprays that many residential control companies use contain pyrethroids. Kate Oczypok, Better Homes & Gardens, 4 Oct. 2023 Runoff from these sprays can wash from yards into surface waters, and pets exposed to pyrethroids can experience vomiting, diarrhea, and other symptoms. Kate Oczypok, Better Homes & Gardens, 4 Oct. 2023 Children on organic diets routeinely had pyrethroids in their systems, and the organic group actually had higher levels of several pyrethroid metabolites than the conventional one. Christie Wilcox, Discover Magazine, 24 Sep. 2012 See all Example Sentences for pyrethroid 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'pyrethroid.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

pyrethrin + -oid

First Known Use

1949, in the meaning defined above

Time Traveler
The first known use of pyrethroid was in 1949

Dictionary Entries Near pyrethroid

Cite this Entry

“Pyrethroid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pyrethroid. Accessed 27 Jul. 2024.

Medical Definition

pyrethroid

noun
: any of various synthetic compounds that are related to the pyrethrins and resemble them in insecticidal properties
pyrethroid adjective
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