induration

American  

[in-doo-rey-shuhn, -dyoo-] / ˌɪn dʊˈreɪ ʃən, -dyʊ- /

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.

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Other Word Forms

• indurative adjective
• nonindurative adjective
• unindurative adjective

Etymology

Origin of induration

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

Example Sentences

With this point in mind Ehrlich has subjected the sputum in emphysema and brown induration of the lungs to exact examination for 20 years.

From Histology of the Blood Normal and Pathological by Myers, W.

In scrofulous children the course may be protracted for several weeks, and in them resolution is occasionally imperfect, a degree of enlargement and induration of one or both parotids remaining for some time.

From A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases by Various

The induration of exposure and the tightening lines of hunger sharpened and marred a countenance which, a happier fortune would have kept even comely.

From How John Norton the Trapper Kept His Christmas by Murray, W. H. H. (William Henry Harrison)

Does the interior still remain liquid, or has the induration proceeded until the whole internal mass has become solid?

From The American Quarterly Review, No. 17, March 1831 by Walsh, Robert

It was attempted to relieve this induration by emollient fomentations.

From Four Years in France or, Narrative of an English Family's Residence there during that Period; Preceded by some Account of the Conversion of the Author to the Catholic Faith by Beste, Henry Digby