insecticide

noun

in·​sec·​ti·​cide in-ˈsek-tə-ˌsīd How to pronounce insecticide (audio)
plural insecticides
: an agent that destroys one or more species of insects
broadly : an agent that destroys insects as well as other small pests (such as mites or nematodes)
Aphids, mealybugs, and cyclamen mites are all common problems and can be controlled with any low-toxicity insecticide sold specifically for houseplants. Horticulture

Examples of insecticide in a Sentence

Recent Examples on the Web Further genomic research could help scientists to better understand the cockroaches’ spread and the evolution of their resistance to insecticides, which could, in turn, lead to better pest management. Will Sullivan, Smithsonian Magazine, 22 May 2024 But unlike traditional approaches reliant on insecticides, Forrest’s NVC technology offers a sustainable and environmentally friendly alternative. Molly Peck, USA TODAY, 14 May 2024 See all Example Sentences for insecticide 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'insecticide.' 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

International Scientific Vocabulary

First Known Use

1865, in the meaning defined above

Time Traveler
The first known use of insecticide was in 1865

Dictionary Entries Near insecticide

Cite this Entry

“Insecticide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/insecticide. Accessed 29 May. 2024.

Kids Definition

insecticide

noun
in·​sec·​ti·​cide in-ˈsek-tə-ˌsīd How to pronounce insecticide (audio)
: a chemical used to kill insects
insecticidal
(ˌ)in-ˌsek-tə-ˈsīd-ᵊl
adjective

Medical Definition

insecticide

noun
in·​sec·​ti·​cide in-ˈsek-tə-ˌsīd How to pronounce insecticide (audio)
: an agent that destroys insects
insecticidal adjective
Last Updated: - Updated example sentences
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