SD
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SD may refer to:
- SD (rapper), is a rapper from Chicago
- Sekolah Dasar, an Indonesian junior school
- Sindhi language's ISO 639-1 code
- Sisters of the Destitute, a Syro-Malabar Catholic women's order
- Southern Cross Decoration (SD), a South African military award
- Spasmodic dysphonia
- Storm Data, an NOAA publication summarizing severe weather events in the United States
- Sudan Airways' IATA airline designator
- Super deformed
Organizations[edit]
- Sicherheitsdienst, the intelligence service of the Nazi SS
- Sinistra Democratica or Democratic Left, an Italian political party
- Social Democrats (Slovenia), a left-wing Slovenian political party
- Stronnictwo Demokratyczne, Democratic Party, a defunct Polish party
- Sweden Democrats, a nationalist party in Sweden
- Swiss Democrats or Schweizer Demokraten, a right-wing political party in Switzerland
Places[edit]
- South Dakota, United States postal abbreviation
- Sudan's ISO country code
Science and technology[edit]
- Secure Digital, a flash memory card format
- Software Distributor, an HP-UX software package management system
- Standard-definition television
- Standard deviation, a mathematical statistical measure
- Subdwarf star, a star with luminosity 1.5 to 2 magnitudes lower than that of a main-sequence star of the same spectral type
- Super Density disc, an optical disc storage format precursor to the DVD
- Surface detector, a detector to measure secondary particles of cosmic-ray air showers on ground
See also[edit]
| This disambiguation page lists articles associated with the title SD. If an internal link led you here, you may wish to change the link to point directly to the intended article. |