SN

Look up SN, Sn, sn, or šn in Wiktionary, the free dictionary.

Look up .sn or s.n. in Wiktionary, the free dictionary.

SN, Sn, sn, .sn, or s.n. may refer to:

Businesses and organizations

• Brussels Airlines (IATA code SN)
  • Sabena (IATA airline code SN)
  • SN Brussels Airlines (IATA code SN)
• Standards Norway, the main standards organization of Norway
• Stronnictwo Narodowe (National Party), a Polish political party

Places

• SN postcode area, the UK postcode district containing Swindon and much of North Wiltshire
• Senegal (ISO country code SN)

Religion

• Samyutta Nikaya or SN, a Buddhist scripture
• Sutta Nipata or Sn, a Buddhist scripture

Science, technology, and mathematics

Computing

• .sn, the country-code top level domain of Senegal
• sn, the surname attribute of the Lightweight Directory Access Protocol

Mathematics

• Symmetric group or S_n
• n-sphere or Sⁿ
• sn, one of Jacobi's elliptic functions

Meteorology

• SN, METAR code for snow
• Spotter Network, a system for reporting location and severe weather observations of storm spotters and chasers

Other uses in science and technology

• Savin–Norov machine gun
• Space Network, a NASA relay satellite system
• Sthene, an obsolete unit of force or thrust in the metre-tonne-second system of units
• Substantia nigra, a brain structure
• Supernova, a stellar explosion, in astronomy and cosmology
• Tin, a metallic element with chemical symbol Sn

Other uses

• Seaman, abbreviation for the United States Navy rank
• Serial number, in component tracking
• Shona language (ISO 639 alpha-2 code "sn")
• Sine nomine or s.n., a Latin term for "without a name"

See also

• S/n (disambiguation)
• ΣΝ or Sigma Nu, a fraternity