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or calc-spar  (kălk′spär′)

[Partial translation of Swedish kalkspat : kalk, lime (from Old Swedish kalker, from Middle Low German kalk, from Latin calx, calc-, lime; see calx) + spat, spar (mineral).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Minerals) another name for calcite
[C19: partial translation of Swedish kalkspat, from kalk lime (ultimately from Latin calx) + spat spar3]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014