noun: (UK, Commonwealth, Ireland) Abbreviation of Bachelor of Science. [A three- to four-year (about 120 credit hours) undergraduate degree, with a concentration in the sciences or scientific applications.]
noun: Initialism of British Society of Cinematographers.
noun: Initialism of Better Sleep Council.
noun: (computing, electronics) Initialism of Basic Spacing between Centers: Used in integrated circuits to specify package mechanical dimensions. This is a theoretical true position dimension and has no tolerance.
