tufaceous

Variant of tufa

noun

any of various sedimentary rocks, as travertine, made up of deposits of calcium carbonate formed by evaporation or precipitation in or near a cave, spring, lake, etc.

Origin: It tufo, tufa, kind of porous stone < L tofus, tuff, tufa

Related Forms:

Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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