Si
From Wikipedia, the free encyclopedia
Si, si, or SI may refer to (all SI unless otherwise stated):
In language:
- ISO 639 alpha-2 code for the Sinhalese language
In computer science:
- .si, the Internet country code top-level domain for Slovenia
- Shift In, a control code in the C0 control code set
- Swarm Intelligence, an artificial intelligence technique
- Synthetic Intelligence, a form of artificial intelligence
In education:
- Saint Ignatius College Prepatory, a Jesuit college in the United States
- Samahang Ilokano, a fraternity/sorority based in the Philippines
- Seletar Institute, a defunct centralised institute in Singapore
- Silay Institute, Inc., a private college in the Philippines
- Smithsonian Institution, an American educational and research institute
In gaming:
- Si, a self-replicating artifact in the computer game Ancient Domains of Mystery
- The Elder Scrolls IV: Shivering Isles, an expansion pack for The Elder Scrolls IV: Oblivion
- Sports Interactive, a British computer games development company
In mathematics and science:
- Signal integrity, electronic circuit tools and techniques that ensure electrical signals are of sufficient quality for proper operation
- Si, the chemical symbol for silicon
- Si(x), the sinc function in mathematics
- Si, the sine integral in mathematics
- Survey of India, an Indian government agency responsible for managing geographical information about India
- International System of Units (Système International d'Unités), the modern international standard version of the metric system
- Simple Interest (Mathematics)
In medicine:
- Sacroiliac
- Self-injury
- Sensory integration, the neurological process that organizes sensation from one's own body and the environment
- Upper often referring to Primary somatosensory cortex
- Sexual intercourse, a medical abbreviation
- Suicidal ideation, a medical term for thoughts about suicide
- Sacroiliac, an anatomical abbreviation for the sacroiliac (joint)
In music:
- Si, the original name of the seventh note of solfege, later changed to "Ti"
- Sì (song), the name of the Italian entry to the Eurovision Song Contest 1974
- Sí (Julieta Venegas), an album by Mexican singer and songwriter Julieta Venegas
In mythology:
In government and politics:
- Situationist International, a left-wing organisation
- Socialist International, a worldwide organisation of social democratic, labour, and democratic socialist political parties
- Station Inspector, the highest non-commissioned rank in the Singapore Police Force
- Statutory Instrument, a form of delegated or secondary legislation in Great Britain
- Swedish Institute (Svenska institutet), a Swedish government agency which promotes Sweden abroad
- Sí or Solidarity and Equality, an Argentine political party
In sports:
- SÍ Sørvágur, a Faroese sports association
- Sports Illustrated, an American sports magazine
In transportation:
- IATA code for Skynet Airlines
- Reporting mark of Spokane International Railroad, a former railway in Washington, USA
Other:
- Civic Si
- Sergeant Instructor, an appointment in the British Army
- Scouting Ireland, the national Scouting association of Ireland
- Staten Island, a borough of New York City and an island in the Hudson River
- System integrator, a person or company that specialises in integrating systems
- Solomon Islands, a Pacific island nation
- Si River, a river in China
- Secret Invasion, a 2008 Marvel Comics event
[edit] See also
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