B (disambiguation)
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Look up B in Wiktionary, the free dictionary.
B is the second letter of the alphabet. It can also refer to:
- B programming language
- B, a letter grade
- The element Boron
- The human blood type B
- Haplogroup B (mtDNA), a human mitochondrial DNA (mtDNA) haplogroup
- Haplogroup B (Y-DNA), a Y-chromosomal DNA (Y-DNA) haplogroup
- Magnetic Field, used to represent the density of a magnetic Field in Physics
- Baron, in judicial reports. The 'B' is postfixed. Eg Denning B = Baron Denning
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