calcification

[kal-suh-fi-key-shuhn]
noun
1.
a changing into lime.
2.
Physiology. the deposition of lime or insoluble salts of calcium and magnesium, as in a tissue.
3.
Anatomy, Geology. a calcified formation.
4.
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.
5.
a hardening or solidifying; rigidity: As the conflict developed, there was an increasing calcification of attitudes on both sides.

Origin:
1840–50; calcific + -ation

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World English Dictionary
calcification (ˌkælsɪfɪˈkeɪʃən)
 
n
1.  the process of calcifying or becoming calcified
2.  pathol a tissue hardened by deposition of lime salts
3.  any calcified object or formation

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

calcification cal·ci·fi·ca·tion (kāl'sə-fĭ-kā'shən)
n.

  1. Impregnation with calcium or calcium salts. Also called calcareous infiltration.

  2. Hardening, as of tissue, by such impregnation.

  3. 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.
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American Heritage
Science Dictionary
calcification   (kāl'sə-fĭ-kā'shən)  Pronunciation Key 
  1. Medicine

    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.

    3. The replacement of organic material, especially original hard material such as bone, with calcium carbonate during the process of fossilization.

    4. The accumulation of calcium in certain soils, especially soils of cool temperate regions where leaching takes place very slowly.

  2. Geology

    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 © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
These proteins tend to bind calcium ions while guiding and directing calcification.
The incidence appears to depend on the presence of specific factors, such as partial calcification involving the mucosal lining.
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