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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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A rapidly progressive and frequently fatal form of the plague that can spread through the air from person to person; characterized by lung involvement with chill, bloody expectoration and high fever.

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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.