Permian-Triassic extinction

proper noun

A volcanic mass extinction at the end of the Permian period 251.9 million years ago.

Similar
Great DyingPermian-Triassic extinction eventPermian-Triassic mass extinctionend-Permian extinctionend-Permian extinction eventend-Permian mass extinction
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

proper noun
  1. evolutionary theorygeographyA volcanic mass extinction at the end of the Permian period 251.9 million years ago.

    Synonyms: Great Dying, Permian-Triassic extinction event, Permian-Triassic mass extinction, end-Permian extinction, end-Permian extinction event, end-Permian mass extinction

Synonyms & antonyms

proper nounA volcanic mass extinction at the end of the Permian period 251.9 million years ago.

Similar
Great DyingPermian-Triassic extinction eventPermian-Triassic mass extinctionend-Permian extinctionend-Permian extinction eventend-Permian mass extinction
Also see
great dyingpermian-triassic mass extinction
Cite this entry
APA

Permian-Triassic extinction. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Permian-Triassic%20extinction

MLA

“Permian-Triassic extinction.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Permian-Triassic%20extinction. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Permian-Triassic extinction,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Permian-Triassic%20extinction.

Source: Permian-Triassic extinction on Wiktionary, CC BY-SA 4.0.