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.
n. A supportive plant tissue that consists of thick-walled, usually lignified cells. Sclerenchyma cells are either fibers or sclereids. scleâ²renÂ·chymâ²aÂ·tous (sklirâ²sklÃ®r-Énâ²kÄ­m-É, -tÉsâ²kÄ«-) mÉ. adj