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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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n. - From 280 million to 230 million years ago.

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Usage examples (36)
  • "The Permian is a very significant asset in our North America portfolio."
  • The Permian was a time of pronounced changes in plant and animal life, and a transitional period between two great eras.
  • This is what is known as the Permian-Triassic Extinction, but sometimes it will simply be referred to as the Great Dying.
  • Tens of millions of years before dinosaurs roamed Earth, their ancestors were all but eliminated in a catastrophic event called the Permian Mass Extinction.
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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.