a combining form of calcium, used with the meaning “calcium salt” or “calcite” in the formation of compound words: calciferous.
Also especially before a vowel, calc-.

Origin of calci-

< Latin calc- (stem of calx lime; see chalk) + -i- Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for calci-


before a vowel calc-

combining form

indicating lime or calciumcalcify

Word Origin for calci-

from Latin calx, calc- limestone
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