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.
saturation. 1. the state of being saturated, or the act of saturating. 2. in radiotherapy, the delivery of a maximum tolerable tissue dose within a short period, then maintenance of the dose by additional smaller fractional doses over a prolonged period.