Pronunciation: (in"doo-rā'shun, -dyoo-),[key] —n. 1. the act of indurating.
2. the state of being indurated.
3. Geol. a. lithification.
b. hardening of rock by heat or pressure.
4. Pathol. 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.