Any pathological hardening or thickening of tissue

Wiktionary Word definitions in Wiktionary
n. 1 hardness. 2 Process of becoming hard. 3 (context medical English) Hardening of an area of the body as a reaction to inflammation, hyperemia, or neoplastic infiltration. 4 (context medical English) An area or part of the body that has undergone such ...

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
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 ).

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Induration \In`du*ra"tion\, n. [Cf. F. induration, L. induratio hardness of heart.] The act of hardening, or the process of growing hard. State of being indurated, or of having become hard. Hardness of character, manner, sensibility, etc.; obduracy; stiffness; ...

WordNet Word definitions in WordNet
n. any pathological hardening or thickening of tissue [syn: sclerosis ]