Many countries issued such numbers for a singular purpose, but over time, they become a de facto national identification number. For example, the United States developed its Social Security number system as a means of organizing disbursing of Social Security benefits.
Freebase (0.00 / 0 votes) Rate this definition: Scleritis. Scleritis is a serious inflammatory disease that affects the white outer coating of the eye, known as the sclera.
Full Definition of SCLEROSIS. 1. : pathological hardening of tissue especially from overgrowth of fibrous tissue or increase in interstitial tissue; also: a disease characterized by sclerosis.2. See sclerosis defined for English-language learners.ull Definition of SCLEROSIS. 1. : pathological hardening of tissue especially from overgrowth of fibrous tissue or increase in interstitial tissue; also: a disease characterized by sclerosis.