B1 Syllabification: (B)Pronunciation: /bē/ (also b)Translate B | into French | into German | into Italian | into Spanish Definition of B noun (plural Bs or B's) 1the second letter of the alphabet. the second highest class of academic mark. denoting the second-highest-earning socioeconomic category for marketing purposes, including intermediate management and professional personnel. (b) Chess denoting the second file from the left, as viewed from White’s side of the board. (usually b) the second constant to appear in an algebraic equation. Geology denoting a soil horizon of intermediate depth, typically the subsoil. the human blood type (in the ABO system) containing the B antigen and lacking the A. 2 (usually B) Music the seventh note of the diatonic scale of C major. a key based on a scale with B as its keynote. Phrases plan B an alternative strategy:it’s time I put plan B into actionB in other Oxford dictionaries Definition of B in the British & World English dictionary
