larvicide

noun

lar·​vi·​cide ˈlär-və-ˌsīd How to pronounce larvicide (audio)
: an agent for killing larval pests
larvicidal adjective

Examples of larvicide in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Professional treatments include barrier sprays for quick results and larvicides for long-term control. Ana Durrani, USA Today, 7 Apr. 2026 Water sources can also be treated with a larvicide. Since 1986, the eradication program has been estimated to have prevented 100 million cases. Beth Mole, ArsTechnica, 2 Feb. 2026 Buy dunks, a form of mosquito larvicide, to kill mosquito larvae in standing water that can't be drained. Elizabeth B. Kim, Cincinnati Enquirer, 23 Sep. 2025 Treat standing water in retention ponds or drainage ditches with a mosquito larvicide. Kristen Jordan Shamus, Freep.com, 16 Sep. 2025 See All Example Sentences for larvicide

Word History

Etymology

larva + -i- + -cide

First Known Use

circa 1888, in the meaning defined above

Time Traveler
The first known use of larvicide was circa 1888

Browse Nearby Words

Cite this Entry

“Larvicide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/larvicide. Accessed 20 Apr. 2026.

Kids Definition

larvicide

noun
lar·​vi·​cide ˈlär-və-ˌsīd How to pronounce larvicide (audio)
: a chemical substance used for killing larvae that are pests

Medical Definition

larvicide

noun
lar·​vi·​cide
variants also larvacide
: an agent for killing larvae
larvicidal adjective
larvicidally adverb
larviciding noun
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