| NOUN | substance | calc-tufa, tufa | a soft porous rock consisting of calcium carbonate deposited from springs rich in lime |
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| Meaning | A soft porous rock consisting of calcium carbonate deposited from springs rich in lime. | |
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| Synonym | tufa | |
| Broader | rock, stone | material consisting of the aggregate of minerals like those making up the Earth's crust |
| Spanish | toba calcárea | |
| Catalan | tova calcaria | |
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