Look up click, klik, or klick in Wiktionary, the free dictionary.
Noun. 1. induration-any pathological hardening or thickening of tissue. sclerosis. disseminated multiple sclerosis, disseminated sclerosis, MS, multiple sclerosis-a chronic progressive nervous disorder involving loss of myelin sheath around certain nerve fibers.
Medical Definition of residual. 1  1: of, relating to, or being something that remains: asa: remaining after a disease or operation residual paralysisb: remaining in a body cavity after maximum normal expulsion has occurred residual urineâsee residual volume.