calc-tufa

[ kalk-too-fuh, -tyoo- ]
/ ˈkælkˌtu fə, -ˌtyu- /

noun

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Also calc-tuff [kalk-tuhf] /ˈkælkˌtʌf/.

Origin of calc-tufa

First recorded in 1815–25; calc- + tufa

Definition for calc-tuff (2 of 2)

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 tufa

1760–70; < Italian tufo < Latin tōfus

OTHER WORDS FROM tufa

tu·fa·ceous [too-fey-shuh s, tyoo-] /tuˈfeɪ ʃəs, tyu-/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for calc-tuff (1 of 2)

calc-tufa

calc-tuff (ˈkælkˌtʌf)

/ (ˈkælkˌtuːfə) /

noun

another name for tufa

British Dictionary definitions for calc-tuff (2 of 2)

tufa
/ (ˈtjuːfə) /

noun

a soft porous rock consisting of calcium carbonate deposited from springs rich in limeAlso called: calc-tufa

Derived forms of tufa

tufaceous (tjuːˈfeɪʃəs), adjective

Word Origin for tufa

C18: 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 calc-tuff

tufa
[ tōōfə ]

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.