Search Result for "calc-tufa": 
Wordnet 3.0

NOUN (1)

1. a soft porous rock consisting of calcium carbonate deposited from springs rich in lime;
[syn: tufa, calc-tufa]



The Collaborative International Dictionary of English v.0.48:

Calc-tufa \Calc"-tu`fa\, n. [G. kalk (l. calx) lime + E. tufa.]
   See under Calcite.
   [1913 Webster]


WordNet (r) 3.0 (2006):

calc-tufa
    n 1: a soft porous rock consisting of calcium carbonate
         deposited from springs rich in lime [syn: tufa, calc-
         tufa]