[ kal-suh-fi-key-shuh n ]
/ ˌkæl sə fɪˈkeɪ ʃən /


a changing into lime.
Physiology. the deposition of lime or insoluble salts of calcium and magnesium, as in a tissue.
Anatomy, Geology. a calcified formation.
a soil process in which the surface soil is supplied with calcium in such a way that the soil colloids are always close to saturation.
a hardening or solidifying; rigidity: As the conflict developed, there was an increasing calcification of attitudes on both sides.



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Origin of calcification

First recorded in 1840–50; calcific + -ation Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for calcification

British Dictionary definitions for calcification

/ (ˌkælsɪfɪˈkeɪʃən) /


the process of calcifying or becoming calcified
pathol a tissue hardened by deposition of lime salts
any calcified object or formation
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

Medical definitions for calcification

[ kăl′sə-fĭ-kāshən ]


Impregnation with calcium or calcium salts.calcareous infiltration
Hardening, as of tissue, by such impregnation.
A calcified substance or part.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for calcification

[ kăl′sə-fĭ-kāshən ]

  1. The accumulation of calcium or calcium salts in a body tissue. Calcification normally occurs in the formation of bone, but can be deposited abnormally, as in the lungs.
  2. A structure that has undergone calcification.
  1. The replacement of organic material, especially original hard material such as bone, with calcium carbonate during the process of fossilization.
  2. The accumulation of calcium in certain soils, especially soils of cool temperate regions where leaching takes place very slowly.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.