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Permian
[pur-mee-uhn]
adjective
Geology., noting or pertaining to a period of the Paleozoic Era occurring from about 280 to 230 million years ago and characterized by a profusion of amphibian species.
noun
Geology., the Permian Period or System.
Permian
/ ˈpɜːmɪən /
adjective
of, denoting, or formed in the last period of the Palaeozoic era, between the Carboniferous and Triassic periods, which lasted for 60 000 000 years
noun
the Permian period or rock system
Permian
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.
See Chart at geologic time
Other Word Forms
- post-Permian adjective
- pre-Permian adjective
Word History and Origins
Origin of Permian1
Example Sentences
What’s Next: The West Texas site spans 500,000 acres and sits adjacent to the Permian Basin, a major natural gas hub.
Poolside and CoreWeave aim to take advantage of natural gas produced in the Permian Basin, the epicenter of U.S. drilling activity.
The Permian Basin produces huge amounts of natural gas from oil wells, but companies there are perennially short on pipes to send the byproduct to markets.
WSJ: Your first commercial customer, Atlas Energy Solutions, now has eight trucks outfitted with Kodiak technology autonomously delivering sand in the Permian Basin in Texas.
In the Permian Basin of West Texas and New Mexico, drillers that once spent more than two weeks drilling a well can now drill horizontal wells extending over nearly 2 miles in just four days.
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