pesticide

noun

pes·​ti·​cide ˈpe-stə-ˌsīd How to pronounce pesticide (audio)
: an agent used to destroy pests
pesticidal adjective

Examples of pesticide in a Sentence

Recent Examples on the Web The pesticide, known as DCPA or Dacthal, is used in the farming industry to control plants, vegetables and fruits, most commonly on household staples broccoli, Brussels sprouts, cabbage and onions. Mary Cunningham, CBS News, 7 Aug. 2024 Unlike many pesticides, insects don’t build up a resistance to DE, and it can be used against most common garden pests, including: Ants Mites Earwigs Flea beetles Cockroaches Thrips Slugs and snails DE does not discriminate between pests and pollinators. Lauren Landers, Better Homes & Gardens, 6 Aug. 2024 Other research has documented how 2,4-D is among a number of pesticides that interfere with hormones regulating growth, fertility and reproduction. Michael Hawthorne, Chicago Tribune, 4 Aug. 2024 Once abundant around the world, their numbers began to dwindle after World War II because of the use of pesticides like dieldrin, aldrin and DDT (dichloro-diphenyl-trichloroethane). Sarah Kuta, Smithsonian Magazine, 1 Aug. 2024 See all Example Sentences for pesticide 

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

Word History

First Known Use

circa 1925, in the meaning defined above

Time Traveler
The first known use of pesticide was circa 1925

Dictionary Entries Near pesticide

Cite this Entry

“Pesticide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pesticide. Accessed 18 Aug. 2024.

Kids Definition

pesticide

noun
pes·​ti·​cide ˈpes-tə-ˌsīd How to pronounce pesticide (audio)
: a substance used to destroy pests
pesticidal
ˌpes-tə-ˈsīd-ᵊl
adjective

Medical Definition

pesticide

noun
pes·​ti·​cide ˈpes-tə-ˌsīd How to pronounce pesticide (audio)
: an agent used to destroy pests
Last Updated: - Updated example sentences
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