SAD
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Look up SAD in Wiktionary, the free dictionary.
The initialism SAD may refer to:
Medicine
[edit]- Schizoaffective disorder, a psychiatric diagnosis
- Social anxiety disorder
- Seasonal affective disorder, typically winter depression
- Separation anxiety disorder in children
- Sagittal abdominal diameter, body diameter at the waistline
Organisations
[edit]Political or military
[edit]- Shiromani Akali Dal, a political party in India
- Special Activities Division of the US Central Intelligence Agency, now named the Special Activities Center
- Saraya Awliya al-Dam, an Iraqi militia
Sports clubs
[edit]- Sociedad Anónima Deportiva, a type of incorporated sports club in Spain
- Sociedade Anónima Desportiva, a type of incorporated sports club in Portugal
Science and technology
[edit]- Selected area diffraction, a crystallographic experimental technique
- Sum of absolute differences, in digital image processing
- Single-wavelength anomalous dispersion, in X-ray crystallography
Transportation
[edit]- Sandwell & Dudley railway station, with the station code SAD
- Safford Regional Airport, Arizona, US, with the IATA airport code SAD
Songs
[edit]- "S.A.D.", from Man Overboard's 2013 album Heart Attack
Other uses
[edit]- SAD scheme, a form of intellectual property enforcement in the United States
- Singles Awareness Day, a humorous holiday every February 14
- The Single Administrative Document, EU customs form
- The Standard American Diet, another name for the Western pattern diet
- The Suicide Attack Database, now named the Database on Suicide Attacks