Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun calc-tufa
1 sense of calc-tufa
Sense 1
tufa, calc-tufa -- (a soft porous rock consisting of calcium carbonate deposited from springs rich in lime)
=> rock, stone -- (material consisting of the aggregate of minerals like those making up the Earth's crust; "that mountain is solid rock"; "stone is abundant in New England and there are many quarries")