1. larvicide

noun. a chemical used to kill larval pests.


  • chemical


  • -cide (English)
  • larva (English)
  • larva (Latin)

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Sentences with larvicide

1. Noun, singular or mass
Use a larvicide to kill the bloodworms, but make sure the larvicide is approved for use in a swimming pool.

2. Preposition or subordinating conjunction
Mosquito dunks are bacterial larvicide that kill mosquito larvae.

3. Adjective
Siphon off the water on top of the cover or treat with a larvicide dunk as necessary so the mosquitoes don’t have a new place to breed.