Definitions For B

noun

• A bachelor's degree in science
• Aerobic rod-shaped spore-producing bacterium; often occurring in chainlike formations; found primarily in soil
• The blood group whose red cells carry the B antigen
• The 2nd letter of the Roman alphabet
• (physics) a unit of nuclear cross section; the effective circular area that one particle presents to another as a target for an encounter
• A logarithmic unit of sound intensity equal to 10 decibels
• A trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder
• Originally thought to be a single vitamin but now separated into several B vitamins
• The second letter of the English alphabet
• A musical note or key referred to by the letter B : the seventh tone of a C-major scale
• A grade that is given to a student for doing good work