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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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n. - A chemical used to kill rodents or insects.

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Usage examples (30)
  • The term pesticide also includes these substances:
  • Though often misunderstood to refer only to insecticides, the term pesticide also applies to herbicides, fungicides, and various other substances used to control pests.
  • A pesticide is a chemical agent used to kill off "pests".
  • A pesticide is a chemical agent used to kill off "pests". insects are examples of pests that can endanger a farmer's crops.
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The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.