travertine

/'trævәtin/

现代语料频率: 40637

n. [地]石灰华

n. A white concretionary form of calcium carbonate,

usually hard and semicrystalline. It is deposited from the water of

springs or streams holding lime in solution. Extensive deposits exist

at Tivoli, near Rome.

今日更新

更新时间：2025-06-09 18:53:00