What does "travertine" mean?

A light, porous form of concretionary limestone (or calcite) deposited from solution, and sometimes quarried for building.

Travertine

/ˈtɹavətɪn/ noun

noun ·Rare ·Advanced level

Noun

1
A light, porous form of concretionary limestone (or calcite) deposited from solution, and sometimes quarried for building. countable, uncountable
"[...] imitation travertine, resembling marble, has been used to cover the station exterior, [...]."

"[...] imitation travertine, resembling marble, has been used to cover the station exterior, [...]."

From Italian travertino, earlier tivertino, from Latin tīburtīnus (“Tiburtine”).