induration

[in-doo-rey-shuhn, -dyoo-]

noun

1. the act of indurating.

2. the state of being indurated.

3. Geology.

   1. lithification.

   2. hardening of rock by heat or pressure.

4. Pathology.

   1. a hardening of an area of the body as a reaction to inflammation, hyperemia, or neoplastic infiltration.

   2. an area or part of the body that has undergone such a reaction.

Other Word Forms

• indurative adjective
• nonindurative adjective
• unindurative adjective

Word History and Origins

Origin of induration¹

1350–1400; Middle English < Late Latin indūrātiōn- (stem of indūrātiō ) a hardening. See indurate, -ion

Example Sentences

The irreducibility is due either to its large size or to changes which have taken place by indurations or adhesions.

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In cases of obdurate induration, the udder should be anointed with iodine ointment.

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The Gentile ignorance of God was attended, as St Paul saw it, with an induration of heart, of which it was at once the cause and the effect.

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The tissue-changes of diseases existing prior to the attack of influenza, such as old consolidations, tubercle, brown induration, emphysema, and so forth, are of course frequently discovered.

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Glandular tumors and indurations of dyscrasic origin, where any other treatment has failed, are scattered by the long-continued use of my preparation.

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