ro·​den·​ti·​cide | \ rō-ˈden-tə-ˌsīd How to pronounce rodenticide (audio) \

Definition of rodenticide

: an agent that kills, repels, or controls rodents

Examples of rodenticide in a Sentence

Recent Examples on the Web George Dvorsky for Gizmodo reports that the RSPB team had planned to combat the mutant mice by dropping cereal pellets containing rodenticide. Nora Mcgreevy, Smithsonian Magazine, "COVID-19 Stranded Scientists Trying to Save Endangered Birds From Killer Mice," 22 May 2020 The plan to spread 2,900 pounds of cereal grain pellets laced with brodifacoum — a rodenticide banned in California — has raised concerns about poisoning the diverse wildlife in the islands. Will Houston, The Mercury News, "Bay Area critics decry Fed’s plan to use banned rodent poison on Farallon Islands," 8 July 2019 As residents stopped using rodenticide, the birds rebounded and the rodent population stabilized. Erin Stone, azcentral, "Burrowing owls are losing their habitat to growth, but there's hope for the quirky bird," 24 Mar. 2020 Some genes, for instance, may be associated with resistance to rodenticide. Brigit Katz, Smithsonian Magazine, "Rats May Be Genetically Adapted to New York Living," 13 Mar. 2020 They are certified in rodent control and arrive with rodenticides, baits and tracking powder. Jeanne Huber, Washington Post, "How to control rats, those unwelcome visitors to Washington gardens," 1 Dec. 2019 To curb attacks on birds in future mouse generations, researchers plan to use helicopters to spread cereal pellets containing rodenticide across the island between June and August. Jason Daley, Smithsonian, "Invasive Mice Are Gnawing the Scalps of Endangered Albatrosses," 10 Dec. 2019 Criticism has mounted against brodifacoum in recent years after animals like mountain lions were found dead with rodenticide in their systems. Rosanna Xia,, "Plan to dump rat poison on Farallon Islands questioned by California Coastal Commission," 10 July 2019 However, only the island-wide application of rodenticide was considered likely to result in a successful outcome. Jason Daley, Smithsonian, "Invasive Mice Are Gnawing the Scalps of Endangered Albatrosses," 10 Dec. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rodenticide.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of rodenticide

1903, in the meaning defined above

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Time Traveler for rodenticide

Time Traveler

The first known use of rodenticide was in 1903

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Statistics for rodenticide

Cite this Entry

“Rodenticide.” Dictionary, Merriam-Webster, Accessed 16 Jan. 2021.

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More Definitions for rodenticide


ro·​den·​ti·​cide | \ rō-ˈdent-ə-ˌsīd How to pronounce rodenticide (audio) \

Medical Definition of rodenticide

: an agent that kills, repels, or controls rodents

More from Merriam-Webster on rodenticide Encyclopedia article about rodenticide

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