1. [US] A bachelor's degree in science
   - Bachelor of Science, SB, BSc
    
2. [vulgar] Obscene word for unacceptable behaviour
   "I put up with a lot of BS from that jerk";

1. The 2nd letter of the Roman alphabet
   - B
    
2. (physics) a unit of nuclear cross section; the effective circular area that one particle presents to another as a target for an encounter
   "The physicist measured the collision probability in bs";
   - barn

Type of: alphabetic character, applesauce [N. Amer, informal], area unit, baccalaureate, bachelor's degree, bilge [informal], bull [slang], buncombe [informal], bunk [informal], bunkum [informal], bushwa [N. Amer, informal], bushwah [N. Amer, informal], codswallop [Brit, informal], drivel, falderal, flapdoodle [N. Amer, informal], folderol, garbage, guff [informal], hogwash [informal], Irish bull [slang], jive [N. Amer, informal], junk [informal], letter, letter of the alphabet, nonsense, rhubarb [Brit, informal], rot [informal], rubbish [informal], square measure, trash [informal], tripe [informal], trumpery [archaic], wish-wash [informal]

Part of: Latin alphabet, Roman alphabet

Encyclopedia: BS