{{Wiktionary|so|SO}}
'''SO''' or '''so''' may refer to: {{TOC right}} ==Arts and entertainment== ===Music=== * ''So'' (album), an album by Peter Gabriel * So (band), a duo from the 1980s formed by two members of The Opposition * "So" (Static-X song), a song by Static-X * "Sō (New Love New World)", a song by Masaharu Fukuyama * "So", a song by War from ''Why Can't We Be Friends?'' * "So", a song by Fates Warning from ''Disconnected'' * S.O. (rapper)
===Other=== * "SO" (''Sons of Anarchy''), the third season premiere of the FX television series ''Sons of Anarchy'' * So Television, a British TV production company
== Relationships ==
* Significant other, a partner in an intimate relationship
==Businesses== * Austrian Air Services (former IATA airline designator SO) * Sosoliso Airlines (former IATA airline designator SO) * Southern Airways (former IATA airline designator SO) * Southern Company (stock symbol SO) * Superior Aviation (IATA airline designator SO)
==Language== <!--keep in sync with So language--> * So language (Democratic Republic of Congo), a Bantu language * Sô language, a Katuic language (Mon-Khmer) of Laos and Thailand * Swo language, a Bantu language of Cameroon * Soo language, a Kuliak language of Uganda * Somali language (ISO 639 language code "so") * So (kana), a Japanese kana * So (word), an English word
==Places== * So, Iran, a village in Isfahan Province, Iran * Canton of Solothurn, Switzerland * So Phisai District, Bueng Kan Province, Thailand * SO postcode area, UK, the Southampton postcode area * Somalia (ISO 3166-1 alpha-2 country code SO) * South Otago, part of New Zealand's South Island * Southern State Parkway, a highway in New York, United States
==Science, technology, and mathematics== ===Biology and medicine=== *Syndromic obesity, excess body fat occurring as part of a syndrome *Sphincter of Oddi, a muscular valve of the duodenum
===Computing=== * .so, the top-level Internet domain of Somalia * <code>.so</code>, a filename extension for a shared object (a dynamic library or module) in Unix and Linux * Shift Out, an ASCII control character in computing * Small-outline integrated circuit * StackOverflow, a programming Q&A site * Sony's mobile phones in Japan
===Mathematics=== * SO (complexity), second-order logic in descriptive complexity * Special orthogonal group, a subset of an orthogonal group ** SO(2), a term used in mathematics, the group of rotations about a fixed point in the Euclidean plane ** SO(3), a term used in mathematics, the group of rotations about a fixed point in three-dimensional Euclidean space ** SO(4), a term used in mathematics, the group of rotations about a fixed point in four-dimensional Euclidean space ** SO(8), a term used in mathematics, the special orthogonal group acting on eight-dimensional Euclidean space ** <math>\mathfrak{so}(n)</math>, the corresponding special orthogonal Lie algebra
===Physics and chemistry=== * Sulfur monoxide * SO(10) (physics), a term used in particle physics, one of the grand unified theories is based on the SO(10) Lie group
==Names== * Sō, a Japanese surname and given name * Su (surname) ({{lang|zh|苏}}/{{lang|zh|蘇}}), a Chinese surname and a Korean surname ({{lang|ko|소}}) derived from it * So (Korean name) (蘇 or 邵)
==Other uses== * So (סוֹא), King of Egypt<!-- ({{Bible verse|2|Kings|17:4|NIV}})-->, usually identified with Osorkon IV * So (dairy product), a type of dairy product made in ancient Japan * Sales order, an order received by a business from a customer * Sao civilisation or So, an African civilisation and population that flourished from ca. the 6th century to ca. 15th century * Shell on, a form of presentation in shrimp marketing * Strikeout, in baseball * Railway line prefix SO of Sotetsu lines
== See also == * Esso, an Exxon trade name, phonetic version of SO * So and so (disambiguation) * Só (disambiguation) * S0 (disambiguation)
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