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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.

He added that the rodenticide being used is "one that is suitable for use in an outdoor environment".

From BBC • Aug. 21, 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

She and colleagues came across dead rabbits and owls and an exam confirmed that one ground squirrel had died after consuming rodenticide, which makes predators such as coyotes and bobcats susceptible to mange.

From Seattle Times • Feb. 18, 2024

While depredation killings, vehicle strikes, poaching and rodenticide poisoning account for the majority of deaths, mountain lions face lethal perils in the wild as well.

From Los Angeles Times • Mar. 21, 2023

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