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verb (used with or without object), cal·ci·fied, cal·ci·fy·ing.
  1. Physiology. to make or become calcareous or bony; harden by the deposit of calcium salts.
  2. Geology. to harden by deposition of calcium carbonate.
  3. to make or become rigid or intransigent, as in a political position.

Origin of calcify

First recorded in 1830–40; calci- + -fy
Related formsnon·cal·ci·fied, adjectiveun·cal·ci·fied, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for calcified


verb -fies, -fying or -fied
  1. to convert or be converted into lime
  2. to harden or become hardened by impregnation with calcium salts
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

Word Origin and History for calcified



1785 (implied in calcified), from French calcifier, from stem of Latin calcem "lime" (see chalk (n.)) + -fy. Related: Calcifying; calcification.

Online Etymology Dictionary, © 2010 Douglas Harper

calcified in Medicine


  1. To make or become stony or chalky by deposition of calcium salts.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.