(music) Initialism of backed with.. Commonly used with old 45 and 78 RPM records, referring to the flip side (commonly called "B-side") of the record.

(art) Initialism of black-and-white.

Abbreviation of between.

(film) A low-budget motion picture, especially one with poor production values.

(slang) basketball

(immunology) A lymphocyte, developed in the bursa of birds and the bone marrow of other animals, that produces antibodies and is co-responsible for the immune system.

An alternative approach adopted when one's original plan does not succeed.

The reverse side of a cassette tape or a phonograph record, especially a vinyl single, often containing songs not considered for airplay.

plural of B-girl

(biochemistry) Any member of the vitamin B complex.