- [countable, uncountable] the second letter of the English alphabet
- ‘Butter’ begins with (a) B/‘B’.
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- B[countable, uncountable] (music) the 7th note in the scale of C majorTopics Musicb1
- B[countable, uncountable] B (in/for something) a grade that a student can get for a piece of work or course of study that shows that it is good but not excellent
- She got (a) B in history.
- B[uncountable] used to represent the second of two or more possibilities
- Shall we go for plan A or plan B?
- B[uncountable] used to represent a person, for example in an imagined situation or to hide their identity
- Let's pretend A meets B in the park.
see also B-road
Idioms
See B in the Oxford Advanced American Dictionaryfrom A to B
- from one place to another
- For me a car is just a means of getting from A to B.
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B