Permian
Americanadjective
noun
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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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See Chart at geologic time
Other Word Forms
Etymology
Origin of Permian
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
In the Permian Basin, the largest U.S. oil field, its output climbed to a record 1.8 million barrels a day.
From The Wall Street Journal ● Jul. 31, 2026
The Permian is unique in that producers typically underwrite drilling there based on oil prices, and not the gas that they unearth in the process.
From The Wall Street Journal ● Jul. 21, 2026
This summer new pipeline capacity has opened and lifted Permian gas out of the red, but it is still about 40% below the national benchmark for the heating and power-generation fuel.
From The Wall Street Journal ● Jul. 21, 2026
The Permian accounts for about 20% of the country’s gas production.
From The Wall Street Journal ● Jul. 21, 2026
He sat in the stands of Memorial Stadium cheering and clapping and feeling delighted as the Permian Panthers destroyed the vaunted Midland High Bulldogs.
From "Friday Night Lights: A Town, A Team, And A Dream" by H.G. Bissinger
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
