pesticidal

pesticide

[pes-tuh-sahyd]
noun
a chemical preparation for destroying plant, fungal, or animal pests.
Also called biocide.


Origin:
1935–40; pest + -i- + -cide

pesticidal, adjective
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World English Dictionary
pesticide (ˈpɛstɪˌsaɪd)
 
n
a chemical used for killing pests, esp insects and rodents
 
pesti'cidal
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

pesticide
1939, a hybrid coined from Eng. pest (q.v.) + -cide.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

pesticide pes·ti·cide (pěs'tĭ-sīd')
n.
A chemical used to kill pests, especially insects.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
pesticide  [%PREMIUM_LINK%]     (pěs'tĭ-sīd')  Pronunciation Key 
A chemical used to kill harmful animals or plants. Pesticides are used especially in agriculture and around areas where humans live. Some are harmful to humans, either from direct contact or as residue on food, or are harmful to the environment because of their high toxicity, such as DDT (which is now banned in many countries). Pesticides include fungicides, herbicides, insecticides, and rodenticides. See more at fungicide, herbicide, insecticide.

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