rodenticide

American

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

noun

a substance or preparation for killing rodents.

rodenticide British

/ rəʊˈdɛntɪˌsaɪd /

noun

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-dĕn′tĭ-sīd′ /

A pesticide used to kill rodents. Warfarin is a rodenticide.
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.

See Examples For:

rodenticide

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

Wolfaardt said four to six helicopters will likely be used to drop up to 550 tons of rodenticide bait across the island.

From Seattle Times ● Mar. 15, 2024

California banned the private use of diphacinone in part to save mountain lions, but you can still buy the rodenticide online.

From Los Angeles Times ● Feb. 22, 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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023