tufa

noun tu·fa \ˈtü-fə, ˈtyü-\

Definition of TUFA

: tuff

: a porous rock formed as a deposit from springs or streams; specifically : travertine

— tu·fa·ceous \tü-ˈfā-shəs, tyü-\ adjective

Italian tufo, from Latin tofus

First Known Use: 1770

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