B (disambiguation)

B is the second letter of the Latin alphabet.

B may also refer to:

Contents 1 Science and technology 1.1 Astronomy 1.2 Symbols for physical and chemical quantities and units 2 Music, education and religion 3 Computing and internet 4 Publishing 5 Sport 6 Transportation 7 See also

Science and technology

• B battery, a battery used to provide the plate voltage of a vacuum tube
• Haplogroup B (mtDNA), a human mitochondrial DNA (mtDNA) haplogroup
• Haplogroup B (Y-DNA), a Y-chromosomal DNA (Y-DNA) haplogroup
• B, Blood type
• ATC code B Blood and blood forming organs, a section of the Anatomical Therapeutic Chemical Classification System
• Boron, a chemical element
• B, B+ and B-, expressions of buoyancy in convective available potential energy
• Bulb (photography), a shutter-speed setting
• B horizon, a layer of soil commonly known as subsoil

Astronomy

• B, abbreviation for astronomical objects in the Barnard list of dark nebulae
• b represents latitude in the Galactic coordinate system

Symbols for physical and chemical quantities and units

• one of the reciprocal lattice vectors (b*)
• breadth (b), see length
• impact parameter (b)
• molality (b)
• barn (unit) (b), a unit of area
• magnetic field (B)
• napierian absorbance (B)
• rotational constant (B)
• second virial coefficient (B)
• susceptance (B)

Music, education and religion

• B (musical note)
• B (I Am Kloot album), a compilation album by Manchester band I Am Kloot
• B (grade), for evaluation of students' work
• Codex Vaticanus Graecus 1209, an ancient bible
• Barnabites (Latin: Clerici Regulares Sancti Pauli), a religious order abbreviated to the postnominal B.
• ♭ Flat (music), a note lower in pitch by a semitone
• b, an Iamamiwhoami song
• Charly B (born 1981), stage name of reggae singer-songwriter Charles Blanvillain

Computing and internet

• B (programming language)
• B-Method, for computer software development
• b, bit
• B, byte
• B-tree, a data structure
• <b>, an HTML element denoting bold text
• /b/, the name of the "random" board on many imageboard websites, most notably 4chan

Publishing

• b (newspaper), a free daily, tabloid sized newspaper, published by The Baltimore Sun

Sport

• Backline, in Australian Rules football
• B, often used after the name of football clubs to denote a reserve team

Transportation

• B (New York City Subway service)
• B (Buenos Aires Subway service)
• B (S-train)

See also

• Decibel, one tenth of a bel (B)
• B postcode area (United Kingdom)
• B., the abbreviation for the Roman cognomen Brutus

Latin letter disambiguation
A • B • C • D • E • F • G • H • I • J • K • L • M • N • O • P • Q • R • S • T • U • V • W • X • Y • Z

This disambiguation page lists articles associated with the same Latin letter. If an internal link led you here, you may wish to change the link to point directly to the intended article.