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pesky
peso
pessary
pessimism
pessimist
pest
pester
pesthouse
pesticide
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pestilence
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pesticide
pes·ti·cide [ pésti sd ] (plural pes·ti·cides)


noun 
Definition:
 
pest-killing compound: a chemical substance used to kill pests, especially insects

pes·ti·cid·al [ pèsti sd'l ] adjective
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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