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induration

 - 7 dictionary results

in⋅du⋅ra⋅tion

  [in-doo-rey-shuhn, -dyoo-]
Use induration in a Sentence
–noun
1. the act of indurating.
2. the state of being indurated.
3. Geology.
a. lithification.
b. hardening of rock by heat or pressure.
4. Pathology.
a. a hardening of an area of the body as a reaction to inflammation, hyperemia, or neoplastic infiltration.
b. an area or part of the body that has undergone such a reaction.
Origin:
1350–1400; ME < LL indūrātiōn- (s. of indūrātiō) a hardening. See indurate, -ion

Related forms:
in⋅du⋅ra⋅tive, adjective

lith⋅i⋅fi⋅ca⋅tion

  [lith-uh-fi-key-shuhn]
–noun Geology.
the process or processes by which unconsolidated materials are converted into coherent solid rock, as by compaction or cementation.
Also called induration.

Origin:
1870–75; lith- + -i- + -fication
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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in·du·ra·tion   (ĭn'də-rā'shən, -dyə-)   
n.  

  1. The quality or condition of being hardened.

  2. The act or process of becoming hardened.

  3. Pathology The hardening of a normally soft tissue or organ, especially the skin, because of inflammation, infiltration of a neoplasm, or an accumulation of blood.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Main Entry:  induration
Part of Speech:  n
Definition:  See lithification
Dictionary.com's 21st Century Lexicon
Copyright © 2003-2009 Dictionary.com, LLC
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Medical Dictionary

Main Entry: in·du·ra·tion
Pronunciation: "in-d(y)&-'rA-sh&n
Function: noun
1 : an increase in the fibrous elements intissue commonly associated with inflammation and marked by loss of elasticity and pliability : SCLEROSIS
2 : a hardened mass or formation
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

induration in·du·ra·tion (ĭn'də-rā'shən, -dyə-)
n.

  1. The hardening of a normally soft tissue or organ, especially the skin, because of inflammation, infiltration of a neoplasm, or an accumulation of blood.

  2. A focus or region of abnormally hardened tissue.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia

induration

hardening of rocks by heat or baking; also the hardening of sediments through cementation or compaction, or both, without the introduction of heat. The classic example is the rock called hornfels, which is formed at contacts with igneous intrusions and in which heat and fluids from the intruding magma reconstitute the original wall rock into a hardened, flinty rock with a dense texture; it also is commonly formed by induration of carbonate sedimentary rocks and shales.

Learn more about induration with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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