WordReference Random House Unabridged Dictionary of American English © 2026
in•du•ra•tion
(in′dŏŏ rā′shən, -dyŏŏ-),USA pronunciation n.
in′du•ra′tive, adj.
- the act of indurating.
- the state of being indurated.
- Geology
- Rockslithification.
- Rockshardening of rock by heat or pressure.
- Pathology
- a hardening of an area of the body as a reaction to inflammation, hyperemia, or neoplastic infiltration.
- an area or part of the body that has undergone such a reaction.
- Late Latin indūrātiōn- (stem of indūrātiō) a hardening. See indurate, -ion
- Middle English 1350–1400
'induration' also found in these entries (note: many are not synonyms or translations):