# SAD

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> Markdown URL: https://mediated.wiki/source/SAD.md
> Source: https://en.wikipedia.org/wiki/SAD
> Source revision: 1256868440
> License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/)

{{wiktionary|SAD}}
The initialism '''SAD''' may refer to:

{{TOC right}}

==Disorders==
* [Schizoaffective disorder](/source/Schizoaffective_disorder), a psychiatric diagnosis
* [Social anxiety disorder](/source/Social_anxiety_disorder)
* [Seasonal affective disorder](/source/Seasonal_affective_disorder), typically winter depression
* [Separation anxiety disorder](/source/Separation_anxiety_disorder)

==Organizations==
===Political or military===
* [Shiromani Akali Dal](/source/Shiromani_Akali_Dal), a political party in India
* Special Activities Division of the US Central Intelligence Agency, now named the [Special Activities Center](/source/Special_Activities_Center)
* [Saraya Awliya al-Dam](/source/Saraya_Awliya_al-Dam), an Iraqi militia

===Sports clubs===
* ''{{lang|es|[Sociedad Anónima Deportiva](/source/Sociedad_An%C3%B3nima_Deportiva)}}'', a type of incorporated sports club in Spain
* ''{{lang|pt|[Sociedade Anónima Desportiva](/source/Sociedade_An%C3%B3nima_Desportiva)}}'', a type of incorporated sports club in Portugal

==Science and technology==
* [Selected area diffraction](/source/Selected_area_diffraction), a crystallographic experimental technique
* [Sum of absolute differences](/source/Sum_of_absolute_differences), in digital image processing
* [Single-wavelength anomalous dispersion](/source/Single-wavelength_anomalous_dispersion), in X-ray crystallography

==Transportation==
* [Sandwell & Dudley railway station](/source/Sandwell_%26_Dudley_railway_station), with the station code SAD
* [Safford Regional Airport](/source/Safford_Regional_Airport), Arizona, US, with the IATA airport code SAD

==Songs==
* "S.A.D.", by Man Overboard from ''[Heart Attack](/source/Heart_Attack_(Man_Overboard_album))'' (2013)
* "[Sad!](/source/Sad!)", by XXXTENTACION (2018)

==Other uses==
* [SAD scheme](/source/SAD_scheme), a form of intellectual property enforcement in the United States
* [Singles Awareness Day](/source/Singles_Awareness_Day), a humorous holiday every February 14
* The [Single Administrative Document](/source/Single_Administrative_Document), EU customs form
* The Standard American Diet, another name for the [Western pattern diet](/source/Western_pattern_diet)
* The Suicide Attack Database, now named the [Database on Suicide Attacks](/source/Database_on_Suicide_Attacks)
* [Sagittal abdominal diameter](/source/Sagittal_abdominal_diameter), body diameter at the waistline

==See also==
* [Sad (disambiguation)](/source/Sad_(disambiguation))

{{disambiguation}}

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Adapted from the Wikipedia article [SAD](https://en.wikipedia.org/wiki/SAD) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/SAD?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.