Permian meaning

pûr'mē-ən, pĕr'-
Of, relating to, or being the period of geologic time from about 299 to 251 million years ago, the seventh and last period of the Paleozoic Era. The Permian Period is characterized by the formation of the supercontinent Pangaea, the first modern conifers, and the diversification of reptiles. It ended with the largest known mass extinction in the history of life.
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The Permian Period.
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Designating or of the sixth and last geologic period of the Paleozoic Era, characterized by the formation of Pangea, glaciation in the Southern Hemisphere, development of mountains, esp. in the Appalachians, and an increase in the diversity of land plants and animals.
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The seventh and last period of the Paleozoic Era, from about 286 to 245 million years ago. During the Permian Period the supercontinent Pangaea, comprising almost all of today's landmasses, formed. Gymnosperms evolved, the first modern conifers appeared, and reptiles diversified. The Permian Period ended with the largest known mass extinction in the history of life. It wiped out nearly 90 percent of known marine life forms.
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the Permian
  • The Permian Period or its rocks.
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Idioms and Phrasal Verbs

the Permian

Origin of permian

  • After Perm Oblast, a region of west-central Russia
    From American Heritage Dictionary of the English Language, 5th Edition