sclerosis Meaning, Definition & Usage

  1. noun any pathological hardening or thickening of tissue
    induration.

WordNet

Scle*ro"sis noun
Etymology
NL., fr. Gr. (, fr. sklhro`s hard.
Definitions
  1. (Med.) Induration; hardening; especially, that form of induration produced in an organ by increase of its interstitial connective tissue.
  2. (Bot.) Hardening of the cell wall by lignification. now only multiple sclerosis, MS

Webster 1913