Word forms "b":
singular b plural b's
Word forms "B":
singular B plural B's1) [countable] the second letter of the English alphabet. B is a consonant.2)a) [countable/uncountable] music the seventh note of a musical scale in C majorb) [uncountable] music the musical key based on the note B3) [countable] a mark that is given in a school, college, or university for work that is a little better than average
I got a B on my History assignment.4) [uncountable] medical a common blood group•See:
English dictionary. 2014.