单词 | tufa |
释义 | tufa[ too-fuh, tyoo- ] / ˈtu fə, ˈtyu- / noun Geology.Also called calcareous tufa, calc-tufa, calc-tuff. a porous limestone formed from calcium carbonate deposited by springs or the like.Compare travertine. (not in technical use) tuff2. Origin of tufa1760–70; <Italian tufo<Latin tōfus OTHER WORDS FROM tufatu·fa·ceous [too-fey-shuhs, tyoo-], /tuˈfeɪ ʃəs, tyu-/, adjectiveWords nearby tufatuebor, Tues., Tuesday, Tuesdays, TUF, tufa, tuff, tuffet, tuffstone body, tuft, tufted Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for tufaBritish Dictionary definitions for tufatufa / (ˈtjuːfə) / nouna soft porous rock consisting of calcium carbonate deposited from springs rich in limeAlso called: calc-tufa Derived forms of tufatufaceous (tjuːˈfeɪʃəs), adjectiveWord Origin for tufaC18: from Italian tufo, from Late Latin tōfus Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for tufatufa [ tōō′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. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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