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tufa
[ too-fuh, tyoo- ]
noun
, Geology.
- Also called calcareous tufa, calc-tufa, a porous limestone formed from calcium carbonate deposited by springs or the like. Compare travertine.
- (not in technical use) tuff 2 .
tufa
/ tjuːˈfeɪʃəs; ˈtjuːfə /
noun
- a soft porous rock consisting of calcium carbonate deposited from springs rich in lime Also calledcalc-tufa
tufa
/ to̅o̅′fə /
- A soft, friable, and porous sedimentary rock consisting of calcium carbonate and formed by the evaporation of water, especially at the mouth of a hot spring or on a drying lakebed. It is similar to, but harder than, travertine.
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Derived Forms
- tufaceous, adjective
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Other Words From
- tu·fa·ceous [too-, fey, -sh, uh, s, tyoo-], adjective
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Word History and Origins
Origin of tufa1
1760–70; < Italian tufo < Latin tōfus
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Word History and Origins
Origin of tufa1
C18: from Italian tufo , from Late Latin tōfus
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Example Sentences
These are chambers excavated in the tufa on either side of the galleries, with which they communicate by doors, as seen in Fig. 4.
From Project Gutenberg
For the same reason the different piani were generally separated by a thick stratum of solid tufa.
From Project Gutenberg
At B will be observed the employment of masonry to strengthen the crumbling walls of the friable tufa.
From Project Gutenberg
The tufa granolare, on the contrary, was admirably adapted for the construction of these subterranean cemeteries.
From Project Gutenberg
The most ancient and lowest stratum of this igneous formation is a compact conglomerate known as tufa lithoide.
From Project Gutenberg
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