Word Study
travertine
CIDE DICTIONARY
travertine, n. [F. travertin, It. travertino, tiburtino, L. lapis Tiburtinus, fr. Tibur an ancient town of Latium, now Tivoli.].
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. [1913 Webster]
OXFORD DICTIONARY
travertine, n. a white or light-coloured calcareous rock deposited from springs.
Etymology
It. travertino, tivertino f. L tiburtinus of Tibur (Tivoli) near Rome
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