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Keuper

Pronunciation: /ˈkɔɪpə/

Definition of Keuper

noun

[mass noun] Geology
  • a European series of sedimentary rocks of Upper Triassic age, represented in England chiefly by marls and sandstones: [as modifier]:the red Keuper marls

Origin:

mid 19th century (originally a miners' term): German