SID
Appearance
Sid or SID may refer to:
Organizations
- Danish General Workers' Union, former trade union in Denmark
- Security and Intelligence Division, Singapore's foreign intelligence service
- Servizio Informazioni Difesa, the Italian military secret service from 1965 to 1977
- Service for Research and Documentation, the Serbian intelligence agency
- Society for Information Display
- Society for International Development
- Sport-Informations-Dienst, German sports media service
- Scientific Investigation Division, crime scene investigation for the LAPD; see R. Lee Heath
- Special Investigations Division (disambiguation)
Places
- Šid, town in northwestern Serbia in the province of Vojvodina
- Šíd, village in Slovakia
- River Sid, in Devon, England
Science and technology
- Sid blood group system
- Saab Information Display in most Saab automobiles since 1994
- Security Identifier, used by Microsoft
- Slew-induced distortion, in an amplifier or transducer
- Source to image-receptor distance, in clinical radiology
- Standard instrument departure, a published procedure to be followed after takeoff
- Sudden ionospheric disturbance, caused by a solar flare
- Surface-induced dissociation, a method for fragmenting molecular ions in mass spectrometry
- System identification number, identifier in wireless telephony of an analog, TDMA or CDMA system
- MOS Technology SID, Sound Interface Device in Commodore computers
- mSin3 interaction domain, a transcriptional repressor domain
- System Identifier, an element of Oracle Databases
- .sid, extension of a compressed image file of LizardTech MrSID Image
Entertainment
- Síd, a common term for a fairy mound in Irish literature and folklore
- Sid (band), a Japanese rock band
- Superman Is Dead, or S.I.D., an Indonesian rock band
- Space Intruder Detector, satellite in the British series UFO
- Sid Vere, a fictional character from Doctors
Other uses
- Sid (given name)
- Status–income disequilibrium, a political term
- Sports information director, public relations occupation
- Standard instrument departure, flight procedures used before takeoff
- Amílcar Cabral International Airport, Sal Island, Cape Verde