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

The company will be a dominant player in the Permian Basin of Texas and New Mexico, and have significant stakes in Oklahoma and Appalachia.

From Barron's

The company is cutting costs and growing production in places such as Guyana and the Permian Basin.

From Barron's

The company is cutting costs and growing production in places such as Guyana and the Permian Basin.

From Barron's

The company had been growing quickly in the U.S., where it produces about 1 million barrels per day in the Permian Basin of Texas and New Mexico.

From Barron's

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