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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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Short "hint"

Microbes given as an injection to produce or increase immunity to a disease.

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Usage examples (41)
  • Scientists are working hard to develop a vaccine for the incurable disease.
  • The other vaccine is the human papillomavirus (HPV) vaccine.
  • But now the vaccine is almost here, the question is, “Do you want it?”
  • The "recommendation" process begins only after a vaccine is approved by the FDA.
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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.