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.
Scleroderma, or systemic sclerosis, is a chronic connective tissue disease generally classified as one of the autoimmune rheumatic diseases. The word âsclerodermaâ comes from two Greek words: âscleroâ meaning hard, and âdermaâ meaning skin.