SD
- (initialism) . School district.
- (initialism) . (law enforcement) Sheriff's department.
- (initialism) . (medical) Shacklesons Disease, a rare brain disease.
- (initialism) . (mathematics) Standard deviation, a mathematical measure of the spread of a list of numbers.
- (initialism) . (television) standard definition, SDTV.
- (initialism) . Secure Digital, a non-volatile memory card format developed by Matsushita, SanDisk, and Toshiba for use in portable devices.
- Noun. (alternative capitalization of, SD) , standard deviation.
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This entry was last updated on RefTopia from its source on 3/20/2012.