SAD
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Look up SAD or sad in Wiktionary, the free dictionary. |
The word sad refers to an emotional condition.
SAD or sad may refer to:
Disorders and medical conditions
- Schizoaffective disorder, a psychiatric diagnosis with symptoms of a mood disorder and schizophrenia
- Seasonal affective disorder, a mood disorder with depressive symptoms peaking annually, commonly in winter
- Separation anxiety disorder, a psychological condition related to anxiety of separation from home or from people
- Sexual arousal disorder, the inability to attain or maintain typical responses to sexual arousal
- Social anxiety disorder, a diagnosis referring to excessive anxiety in social situations
- Syncope, Angina, and Dyspnea, classic symptoms of severe aortic stenosis
Language
- Ṣād, a letter of the Arabic alphabet (ﺹ)
- Sad (sura), the 38th sura of the Qur'an (named after the letter)
- Sandawe language (ISO 639 language code), a tonal language spoken in Tanzania
Organizations
- Shiromani Akali Dal, a political party in India
- Sociedad Anónima Deportiva, an incorporated sports club in Spain
- Sociedade Anónima Desportiva, an incorporated sports club in Portugal
- Special Activities Division, the Central Intelligence Agency's special operations force in the United States
Places
- Sad, Oman, a village in Muscat Governorate, Oman
- Sad, Podlaskie Voivodeship, a village in north-east Poland
- Safford Regional Airport (IATA airport code) in Safford, Arizona, United States
Technology and science
- Selected area diffraction, a crystallographic experimental technique that can be performed inside a transmission electron microscope
- Silicon Avalanche Diode, an electronic component
- Single wavelength anomalous dispersion, a technique used in X-ray crystallography to determine the structure of proteins
- Sum of absolute differences, a simple metric for motion estimation in video compression
- Sum of absolute deviations (or least absolute deviations), a mathematical optimization technique
Other
- Sagittal Abdominal Diameter, one's "front-to-back" body diameter at the waistline
- Singles Awareness Day, a humorous holiday celebrated on February 14
- Standard American Diet, a phrase associated with diet-related obesity in the United States
- SAD, a planned film about the Standard American Diet scrapped after actor Corey Haim died
- Systems Analysis and Design, an interdisciplinary part of science
References
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