calcareous

[ kal-kair-ee-uh s ]
/ kælˈkɛər i əs /

adjective

of, containing, or like calcium carbonate; chalky: calcareous earth.

Origin of calcareous

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

Related forms

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for calcareous

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

Medicine definitions for calcareous

calcareous

[ kăl-kârē-əs ]

adj.

Composed of, containing, or characteristic of calcium carbonate, calcium, or limestone; chalky.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science 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.