Permian

American  

[pur-mee-uhn] / ˈpɜr mi ən /

adjective

1. 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.

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noun

1. Geology. the Permian Period or System.

2. Permic.

Permian British  

/ ˈpɜːmɪən /

adjective

1. 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

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noun

1. the Permian period or rock system

Permian Scientific  

/ pûr′mē-ən /

1. 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.

2. See Chart at geologic time

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Other Word Forms

• post-Permian adjective
• pre-Permian adjective

Etymology

Origin of Permian

First recorded in 1835–45; Perm + -ian

Example Sentences

Ice is an especially big worry in West Texas, where Permian Basin producers are bracing for droves of oil-and-gas wells to freeze shut.

From The Wall Street Journal

At the same time, “freeze-offs,” which refer to a slowdown in production caused by the cold weather and ice, can reduce output across the Appalachian, Bakken, South Central and Permian regions, he said.

From MarketWatch

At the same time, “freeze-offs,” which refer to a slowdown in production caused by the cold weather and ice, can reduce output across the Appalachian, Bakken, South Central and Permian regions, he said.

From MarketWatch

As CEO of Pioneer, a major Permian player, Sheffield said he thought the company would benefit in the long term from implanting itself in different basins beyond that region.

From The Wall Street Journal

That is four times the integrated emissions from the Permian Basin and Four Corners hotspots in the United States, two of the most notorious oil and gas methane sources on Earth.

From MarketWatch