induration

[in-doo-rey-shuh n, -dyoo-]

noun

the act of indurating.
the state of being indurated.
Geology.
1. lithification.
2. hardening of rock by heat or pressure.

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.

Origin of induration

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

Related formsin·du·ra·tive, adjectivenon·in·du·ra·tive, adjectiveun·in·du·ra·tive, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for induration

Historical Examples of induration

Induration of the lungs (tuberculosis) was regarded as incurable.
Old-Time Makers of Medicine
James J. Walsh
Induration and overgrowth of the connective tissue of an organ.
Surgery, with Special Reference to Podiatry
Maximilian Stern
In cases in which there is induration or dryness of the part, the use of warm embrocations is indicated.
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I
Arnold Cooley
This change may consist of induration, exostosis, or even anchylosis.
Special Report on Diseases of Cattle
U.S. Department of Agriculture
It was attempted to relieve this induration by emollient fomentations.
Four Years in France
Henry Digby Beste

Word Origin and History for induration

late 14c., from Old French induracion "hardness, obstinacy" (14c.) or directly from Medieval Latin indurationem (nominative induratio) "hardness (especially of the heart)," noun of action from indurare (see endure).

induration in Medicine

induration

[ĭn′də-rā′shən, -dyə-]

The hardening of a normally soft tissue or organ, especially the skin, because of inflammation, infiltration of a neoplasm, or an accumulation of blood.
A focus or region of abnormally hardened tissue.