SDF
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Look up SDF in Wiktionary, the free dictionary.
SDF may refer to:
Computing
[edit | edit source]File formats
[edit | edit source]- Spatial Data File, for geodatabases
- Standard Delay Format, for timing data
- SQL Server Compact Edition Database File (filename extension:
.sdf) - Structure data file, for chemical tables
- Scientific Data Format, a Hierarchical Data Format implementation
Formal computer science
[edit | edit source]- Signed distance function (or field), in mathematical applications
- Syntax Definition Formalism, to describe formal languages
Other uses in computing
[edit | edit source]- Software development folder, a physical or virtual container for software project artifacts
- Synchronous Data Flow, a restriction of Kahn process networks
- SDF Public Access Unix System, a shared shell provider
Entertainment and media
[edit | edit source]- Südtirol Digital Fernsehen, a TV station in South Tyrol, Italy
- Super Dimensional Fortress, warships in the Robotech/Macross franchise
- Settlement Defense Front (SDF), an enemy faction of Call of Duty: Infinite Warfare
Organizations
[edit | edit source]Military forces
[edit | edit source]- Japan Self-Defense Forces
- State defense force, US
- Sudan Defence Force, 1925–1955
- Syrian Democratic Forces, North and East Syria
Political parties
[edit | edit source]- Sikkim Democratic Front, India
- Social Democratic Federation (United States), 1936–1956
- Social Democratic Federation, UK, 1884–1911
- Social Democratic Forum, Hong Kong, 2000
- Social Democratic Front (disambiguation), Cameroon and Ghana
- Socialist Democratic Federation (Japan), 1978–1994
Other organizations
[edit | edit source]- Scouts de France, youth group
- Serb Democratic Forum, Serbs of Croatia
- Search Dog Foundation, rescue dog training organization
Places
[edit | edit source]- Louisville Muhammad Ali International Airport (formerly Standiford Field), Kentucky, US (by IATA code
- Soquel Demonstration State Forest, California, US
Science
[edit | edit source]- Silver diammine fluoride, in dentistry
- Stromal cell-derived factor (disambiguation), SDF1, SDF1a, etc.
- Subwavelength-diameter optical fibre
- Synchronous diaphragmatic flutter or hiccup
Other uses
[edit | edit source]- SDF Group (SAME Deutz-Fahr), an Italian-based agricultural machine manufacturer
- Simplified directional facility, an aviation instrument approach navigational aid
- Stochastic discount factor, in econometrics
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