| B | a lymphocyte derived from bone marrow that provides humoral immunity |
|---|---|
| B | originally thought to be a single vitamin but now separated into several B vitamins |
| B | US military aircraft |
| B | originally thought to be a single vitamin but now separated into several B vitamins |
| B | the ordinary clarinet with a middle range |
| B | a woman employed by a bar to act as a companion to men customers |
| B | immediately below the A-horizon |
| B | exceedingly short-lived meson |
| B | United States guitar player and singer of the blues (born in 1925) |
| B | date used in reckoning dates before the supposed year Christ was born |
| B | malodorousness resulting from a failure to bathe |
| B | a unit of energy equal to the work done by a power of 1000 watts operating for one hour |