SL

{{wiktionary|SL}} '''SL''' may refer to: {{tocright}} ==Arts and entertainment== * SL (rapper), a rapper from London * ''Second Life'', a multi-user 3D virtual world * Sensei's Library, an Internet site dedicated to the game of Go * Subdominant leittonwechselklänge * Leicaflex SL, a mechanical reflex camera * Leica SL, a mirrorless system camera

== Business and organizations == * Sociedad Limitada, the Spanish version of a private limited company → ''{{section link|Private limited company|Spain}}''

===Politics=== * Serbian Left (''Srpska levica''), a political party in Serbia * Stronnictwo Ludowe, a defunct Polish political party * Soyons Libres, a French political party

===Transportation and vehicles=== * SL Corporation, a Korean auto parts company * Rio Sul Serviços Aéreos Regionais (IATA code SL), a Brazilian airline * Salt Lake City Southern Railroad (reporting mark SL) * Stor-Oslo Lokaltrafikk, a public transport operator in Akershus, Norway * Storstockholms Lokaltrafik, the public transport operator in Stockholm, Sweden * Thai Lion Air (IATA airline code SL) * Mercedes-Benz SL-Class, an automobile

===Trade unions=== * Association of Social Educators, a trade union in Denmark

== Geography == * Sierra Leone, in West Africa, ISO 3166 code * Saarland, a state of Germany * SL postcode area of the United Kingdom * Sungai Long, in Selangor, Malaysia * Sri Lanka, an island country in South Asia

== Language == * Sl (digraph), a Latin-script digraph * Sign language, used by deaf persons * Slovene language (ISO 639-1 code "sl") * Sl, a letter in the Proto-Canaanite abjad

==Science, technology, and mathematics== ===Biology=== * ''Sensu lato'', a term used in taxonomy to mean "in the wider sense" of a definition * Standard length, a common measurement for fish * Abbreviation for × ''Sophrolaelia'', an orchid genus

===Computing=== * sl, a humorous command in some Unix-based systems that draws an animation of a steam locomotive, intended to be invoked as a typo of ls * .sl, the country code top-level domain for Sierra Leone * SL (complexity), a class of computational complexity * Scientific Linux, a Linux distribution * Service Loading, a variant of WAP push method

===Mathematics=== * SL (complexity), a class of computational complexity * sl (elliptic function), sine lemniscate function * Special linear group in mathematics, denoted SL_''n'' or SL(''n'') * Special linear Lie algebra, denoted <math>\mathfrak{sl}_n(F)</math> or <math>\mathfrak{sl}(n, F)</math>

== Other uses == * Serjeant-at-law, a former type of barrister in England and Ireland * ''Sine loco'' in bibliographies means that place of publication is unknown * Standard Liège, a Belgian professional football club * Southern League (New Zealand), association football league in New Zealand *Sublingual administration of medicine * Surround Left (SL) speaker on a 5.1 surround sound setup

==See also== {{canned search|SL}} * {{intitle|SL}} * LS (disambiguation) * SLS (disambiguation)

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