Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Calcareous tufa, a porous or spongy deposit of calcium carbonate found in calcareous mineral springs.
from the GNU version of the Collaborative International Dictionary of English.
- noun See under
calcite .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a soft porous rock consisting of calcium carbonate deposited from springs rich in lime
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[calc(areous) + tufa.]
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Examples
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ALABASTER) and other stalagmitic deposits also consist of calcite, and so do the allied deposits of travertine, calc-sinter or calc-tufa.
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" Various
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