Si

Look up si, Si, SI in Wiktionary, the free dictionary.

Si, si, or SI may stand for:

Word

• one of two Italian words pronounced like "see":
  • sì (accented) for "yes" and
  • si (unaccented), a pronoun
• one of two Spanish words pronounced like "see":
  • sí (accented) for "yes" and
  • si (unaccented) for "if"
• a French word pronounced like "see" meaning "yes, on the contrary", "as," "however," "so" and "if."
• in Mohican mythology, Si, the lunar deity
• The Si is a self-replicating artifact in the roguelike game Ancient Domains of Mystery
• The mythological being Sídhe.
• Sí, an album by Mexican singer and songwriter Julieta Venegas

Abbreviation

• .si, the Internet country code top-level domain (ccTLD) for Slovenia.
• The International System of Units, the modern international standard version of the metric system; SI being the abbrieviation of its French title, Système International d'Unités
• Seletar Institute, a defunct centralised institute in Singapore; one of the original 4 CIs.
• Station Inspector the highest non-commissioned officer rank in the Singapore Police Force.
• in British law, a Statutory Instrument
• Smithsonian Institution
• Socialist International
• Spokane International Railroad (AAR reporting mark SI)
• Sports Illustrated
• Sports Interactive
• Signal Integrity
• Situationist International
• Staten Island, a borough of New York City and an island in the Hudson River
• Swedish Institute (Svenska institutet)
• System integrator
• Supplemental Instruction
• Sexual Intercourse (medical abbreviation, not common usage)
• Self-injury or self-harm
• SI is the acronym for Swarm Intelligence
• The Shift in control code in the C0 control code set.
• Service Information, a type of metadata packet in a MPEG-2/DVB stream.
• Scouting Ireland
• Sensory integration
• Senior 1 (grade 9)

Symbol or code

• Si is the chemical symbol for silicon
• in music, Si, the original name of the seventh note of solfege; it was later changed to "Ti"
• Sinhalese language, (ISO 639 alpha-2)
• Slovenia (ISO 3166-1 alpha-2 country code, SI)
• In mathematics, si or Si is the Sine integral
• the IATA code for Skynet Airlines
• The Si designation is used by Honda to denote high-performance variants of models they manufacture

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

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