Pronunciation: (in"doo-rā'shun, -dyoo-), [key]
1. the act of indurating.
2. the state of being indurated.
b. hardening of rock by heat or pressure.
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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.