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calcareous

[ kal-kair-ee-uhs ]
/ kælˈkɛər i əs /
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adjective
of, containing, or like calcium carbonate; chalky: calcareous earth.
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Origin of calcareous

1670–80; variant of calcarious <Latin calcārius of lime; see calx, -ary

OTHER WORDS FROM calcareous

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use calcareous in a sentence

British Dictionary definitions for calcareous

calcareous
/ (kælˈkɛərɪəs) /

adjective
of, containing, or resembling calcium carbonate; chalky

Word Origin for calcareous

C17: from Latin calcārius, from calx lime
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 calcareous

calcareous
[ kăl-kârē-əs ]

Composed of or containing calcium or calcium carbonate. Calcareous rocks contain as much as 50 percent calcium carbonate.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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