flowstone

[ floh-stohn ]

noun

, Petrology.

1. a layered deposit of calcium carbonate, CaCO 3 , left by thin sheets of flowing water, as in a cave.

Word History and Origins

Origin of flowstone¹

1920–25, Amer.; flow + stone

Example Sentences

It ascended to a high point in the center, the walls draped by flowstone ribbons.

From Nautilus