rodenticide

noun

ro·​den·​ti·​cide rō-ˈden-tə-ˌsīd How to pronounce rodenticide (audio)
: an agent that kills, repels, or controls rodents

Example Sentences

Recent Examples on the Web Bioaccumulation, as the process is known, would pass the rodenticide up the food chain, where concentrations increase. Jeff Wheelwright, Discover Magazine, 6 Aug. 2017 The park service also noted that nearly every puma has been exposed to the poisons, with six collared lions and one uncollared animal documented to have died from rodenticide exposure. Christian Martinez, Los Angeles Times, 26 Sep. 2022 Warfarin was used as a rodenticide dating back to 1948 — and was approved as a blood thinner for humans in 1954. Allison Futterman, Discover Magazine, 16 Mar. 2022 At what levels do agricultural chemicals and rodenticide interfere with fishers’ reproduction? Jeff Wheelwright, Discover Magazine, 6 Aug. 2017 Our insistence on using rodenticide — despite all the horrible evidence of its cascading effects on the food chain — resulted in him getting mange. Los Angeles Times, 22 Dec. 2022 His mouth was pale, a sign of rodenticide exposure. Zachary T. Sampson, Sun Sentinel, 4 Dec. 2022 Several passionate nature observers have identified a culprit on their own: rodenticide. Anjali Huynh, BostonGlobe.com, 16 June 2022 The state Department of Pesticide Regulation, whose annual approval is needed to sell pesticides in the state, has approved the rodenticide, diphacinone, without conducting a full re-evaluation of its effects in recent years. Bob Egelko, San Francisco Chronicle, 4 Oct. 2022 See More

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.

Word History

First Known Use

1903, in the meaning defined above

Time Traveler
The first known use of rodenticide was in 1903

Dictionary Entries Near rodenticide

Cite this Entry

“Rodenticide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rodenticide. Accessed 26 Mar. 2023.

Kids Definition

rodenticide

noun
ro·​den·​ti·​cide rō-ˈdent-ə-ˌsīd How to pronounce rodenticide (audio)
: a chemical substance used to kill rodents

Medical Definition

rodenticide

noun
ro·​den·​ti·​cide rō-ˈdent-ə-ˌsīd How to pronounce rodenticide (audio)
: an agent that kills, repels, or controls rodents

More from Merriam-Webster on rodenticide

Last Updated: - Updated example sentences
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