B , b /biː/ noun (plural B’s, b’s)

1. [uncountable and countable] the second letter of the English alphabet

2. [uncountable and countable] the seventh note in the musical scale of C major or the musical key based on this note

3. [countable] a mark given to a student’s work to show that it is good but not excellent:
I got a B in history.

4. [uncountable] used to refer in a short way to one of two different things or people. You can call the first one A.:
the advantages and disadvantages of choosing product A or B ⇒ plan B at plan¹(6)

5. B4509/B1049 etc the name of a road in Britain that is smaller than an A-road

6. [uncountable] a common type of blood
⇒ from A to B at A¹(6), ⇒ B-movie, B-side, B-road

[TahlilGaran] Dictionary of Contemporary English ▲

b. (also b British English)
the written abbreviation of born:
Andrew Lanham, b. 1885

[TahlilGaran] Dictionary of Contemporary English ▲

B-52 /ˌbiː fɪfti ˈtuː/ noun
a large military aircraft made in the US and used by the US to drop bombs in the Vietnam War and the Gulf War

[TahlilGaran] Dictionary of Contemporary English ▲

B
Be 
Billion

[TahlilGaran] Acronyms and Abbreviations Dictionary ▲