A soft or porous stone formed by depositions from water, usually calcareous; called also calcareous tufa.

A friable volcanic rock or conglomerate, formed of consolidated cinders, or scoria.

Origin: It. Fufo soft, sandy stone, L. Tofus, tophus. Cf. Tofus, Toph, and Tophin.

(01 Mar 1998)

tucum, tucuma, -tude, tue, tuet < Prev | Next > tufaceous, tuff, tuffstone body, tuft

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