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rodenticide

[roh-den-tuh-sahyd] /roʊˈdɛn təˌsaɪd/
noun
1.
a substance or preparation for killing rodents.
Origin
1935-1940
1935-40; rodent + -i- + -cide
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for rodenticide

rodenticide

/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
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rodenticide in Medicine

rodenticide ro·den·ti·cide (rō-děn'tĭ-sīd')
n.
A chemical substance used to kill rodents.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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rodenticide in Science
rodenticide
  (rō-děn'tĭ-sīd')   
A pesticide used to kill rodents. Warfarin is a rodenticide. Compare fungicide, herbicide, insecticide.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Article for rodenticide

any substance that is used to kill rats, mice, and other rodent pests. Warfarin, 1080 (sodium fluoroacetate), ANTU (legal label for alpha-naphthylthiourea), and red squill are commonly used rodenticides. These substances kill by preventing normal blood clotting and causing internal hemorrhaging. Fumigants such as sulfur dioxide, carbon monoxide, hydrogen cyanide, and methyl bromide are also effective rodenticides. Phosphorus paste, barium carbonate salt, and powders such as zinc phosphide, white arsenic, thallium sulfate, strychnine, strychnine sulfate, and calcium cyanide are mixed with bait and placed where rodents will find and eat them. All these poisons are toxic to other animals, and most cause death by disturbance of nervous-system functions. Red squill, a rodenticide derived from the bulbs of a lilylike subtropical plant, is slower-acting and less toxic to animals other than rodents because it is removed from the stomach by vomiting-a reflex that is absent in rodents.

Learn more about rodenticide with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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