Calc-tufa

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

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

From WordNet (r) 2.0 [wn]:



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