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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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n. - Any substance that can cause a lot of sneezing or coughing.

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Usage examples (39)
  • Even the possibility of the presence of an allergen is covered.
  • Cover pillow, mattress, and box spring in allergen-proof casings.
  • Cover pillows, mattress, and box spring in allergen-proof casings.
  • The cure is simple in concept, but not so simple in practice: remove all trace of the allergen from the mother's diet.
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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.