noun

• (automotive) Bridgestone, a tire company.
• (US) 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.]
• Abbreviation of Bachelor of Surgery.
• (baseball) Abbreviation of blown saves.
• (accounting) Abbreviation of balance sheet. [(accounting) A summary of a person's or organization's assets, liabilities and equity as of a specific date.]
• (slang, euphemistic, chiefly Canada, US) Abbreviation of bullshit. [(vulgar, literally) Feces produced by a bull.]
• Initialism of Bartter syndrome. [(pathology) A rare inherited disease characterised by a defect in the thick ascending limb of the loop of Henle, which results in hypokalemia and alkalosis.]
• Abbreviation of benzenesulphonyl. [(organic chemistry) The sulphonyl of benzene (chemical formula: C₆H₅SO₂).]