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rodenticide

American  
[roh-den-tuh-sahyd] / roʊˈdɛn təˌsaɪd /

noun

  1. a substance or preparation for killing rodents.


rodenticide British  
/ rəʊˈdɛntɪˌsaɪd /

noun

  1. a substance used for killing rats, mice, and other rodents

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

rodenticide Scientific  
/ rō-dĕntĭ-sīd′ /
  1. A pesticide used to kill rodents. Warfarin is a rodenticide.

  2. Compare fungicide herbicide insecticide


Etymology

Origin of rodenticide

First recorded in 1935–40; rodent + -i- + -cide

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"Even if we put down rodenticide, they won't eat it. They are just not interested… Once these bins are infested with rats, the bin men don't want to collect it either."

From BBC • Sep. 25, 2025

The rodenticide can pose a problem for farmers and agriculture companies that use it to control animals that can destroy or damage crops, but they end up poisoning other wild animals as well, Bourbor said.

From Los Angeles Times • Aug. 5, 2025

Mountain lions in the Los Angeles area deal with many challenges -- busy roadways where they're often killed, wildfires, rodenticide exposure, low genetic diversity and fragmented habitat.

From Science Daily • Nov. 15, 2024

Even with his proficient hunting skills, Flaco faces many threats in the city, including a grave risk of consuming rodenticide through a poisoned rat.

From Seattle Times • Feb. 1, 2024

You can also reach out to your building management to ask if rodenticide is being used try to get them to reduce how much they use.

From Slate • Mar. 18, 2023