SAD
Encyclopedia
The word sad
SAD
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...

refers to an emotional condition.

SAD or sad may refer to:

Disorders and medical conditions

  • Schizoaffective disorder
    Schizoaffective disorder
    Schizoaffective disorder is a psychiatric diagnosis that describes a mental disorder characterized by recurring episodes of elevated or depressed mood, or of simultaneously elevated and depressed mood, that alternate with, or occur together with, distortions in perception.Schizoaffective disorder...

    , a psychiatric diagnosis with symptoms of a mood disorder and schizophrenia
  • Seasonal affective disorder
    Seasonal affective disorder
    Seasonal affective disorder , also known as winter depression, winter blues, summer depression, summer blues, or seasonal depression, is a mood disorder in which people who have normal mental health throughout most of the year experience depressive symptoms in the winter or summer, spring or autumn...

    , a mood disorder with depressive symptoms in the winter
  • Separation anxiety disorder
    Separation anxiety disorder
    Separation anxiety disorder is a psychological condition in which an individual experiences excessive anxiety regarding separation from home or from people to whom the individual has a strong emotional attachment...

    , a psychological condition related to anxiety of separation from home or from people
  • Sexual arousal disorder
    Sexual arousal disorder
    Sexual arousal disorder is characterized by a lack or absence of sexual fantasies and desire for sexual activity in a situation that would normally produce sexual arousal, or the inability to attain or maintain typical responses to sexual arousal. The disorder is found in the DSM-IV...

    , the inability to attain or maintain typical responses to sexual arousal
  • Social anxiety disorder
    Social anxiety disorder
    Social anxiety disorder , also known as social phobia, is an anxiety disorder characterized by intense fear in social situations causing considerable distress and impaired ability to function in at least some parts of daily life...

    , a diagnosis referring to excessive anxiety in social situations
  • Syncope
    Syncope (medicine)
    Syncope , the medical term for fainting, is precisely defined as a transient loss of consciousness and postural tone characterized by rapid onset, short duration, and spontaneous recovery due to global cerebral hypoperfusion that most often results from hypotension.Many forms of syncope are...

    , Angina
    Angina
    Angina pectoris, commonly known as angina, is chest pain due to ischemia of the heart muscle, generally due to obstruction or spasm of the coronary arteries . Coronary artery disease, the main cause of angina, is due to atherosclerosis of the cardiac arteries...

    , and Dyspnea
    Dyspnea
    Dyspnea , shortness of breath , or air hunger, is the subjective symptom of breathlessness.It is a normal symptom of heavy exertion but becomes pathological if it occurs in unexpected situations...

    , classic symptoms of severe aortic stenosis

Language

  • Ṣād
    SAD
    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...

    , a letter of the Arabic alphabet
  • Sad (sura)
    Sad (sura)
    Surat Sad is the 38th sura of the Qur'an with 88 ayat and 1 sajdah .ص~ وَالْقُرْآنِ ذِي الذِّكْرِ38:01 Sād [Fifteenth-centre/middle letter of the 29 letters of Arabic Alphabet, with ancillary glyph/prolongation sign/mark which extends/stretches the sound value of the letter to which it is added...

    , the 38th sura of the Qur'an (named after the letter)
  • Sandawe language
    Sandawe language
    Sandawe or Sandawi is a tonal language spoken by about 40,000 Sandawe people in the Dodoma region of Tanzania. Language use is vigorous among both adults and children, with people in some areas monolingual. Sandawe had generally been classified as a member of the defunct Khoisan family since Albert...

     (ISO 639 language code), a tonal language spoken in Tanzania

Organizations

  • Shiromani Akali Dal
    Shiromani Akali Dal
    The Shiromani Akali Dal , translation: Supreme Akali Party) is a Sikh nationalist political parties based in Punjab. The current party to be recognized by the Election Commission of India is the one led by Parkash Singh Badal...

    , a political party in India
  • Sociedad Anónima Deportiva
    Sociedad Anónima Deportiva
    Sociedad anónima deportiva is a special type of public limited company in Spain. The new legal status was introduced in 1990 to improve financial management and transparency in sports clubs. Many Spanish football and basketball clubs add the suffix S.A.D. to the end of their official name, e.g...

    , an incorporated sports club in Spain
  • Sociedade Anónima Desportiva
    Sociedade Anónima Desportiva
    Sociedade Anónima Desportiva is a special type of public limited company in Portugal. The new legal status was introduced in the early 2000s to improve financial management and transparency in sports clubs. Many Portuguese football and basketball clubs add the suffix S.A.D. to the end of their...

    , an incorporated sports club in Portugal
  • Special Activities Division
    Special Activities Division
    The Special Activities Division is a division in the United States Central Intelligence Agency's National Clandestine Service responsible for covert operations known as "special activities"...

    , the Central Intelligence Agency's special operations force in the United States

Places

  • Sad, Oman, a village in Muscat Governorate, Oman
  • Sad, Podlaskie Voivodeship
    Sad, Podlaskie Voivodeship
    Sad is a village in the administrative district of Gmina Kleszczele, within Hajnówka County, Podlaskie Voivodeship, in north-eastern Poland, close to the border with Belarus....

    , a village in north-east Poland
  • Safford Regional Airport
    Safford Regional Airport
    Safford Regional Airport is a city-owned public-use airport located three nautical miles east of the central business district of Safford, a city in Graham County, Arizona, United States. The airport is included in the FAA's National Plan of Integrated Airport Systems for 2009–2013, which...

     (IATA airport code) in Safford, Arizona, United States

Technology and science

  • Selected area diffraction
    Selected area diffraction
    Selected area diffraction , is a crystallographic experimental technique that can be performed inside a transmission electron microscope ....

    , a crystallographic experimental technique that can be performed inside a transmission electron microscope
  • Silicon Avalanche Diode, an electronic component
  • Single wavelength anomalous dispersion
    Single wavelength anomalous dispersion
    Single-wavelength anomalous dispersion is a technique used in X-ray crystallography that facilitates the determination of the structure of proteins or other biological macromolecules by allowing the solution of the phase problem. In contrast to multi-wavelength anomalous dispersion, SAD uses a...

    , a technique used in X-ray crystallography to determine the structure of proteins
  • Sum of absolute differences
    Sum of absolute differences
    Sum of absolute differences is a widely used, extremely simple algorithm for measuring the similarity between image blocks. It works by taking the absolute difference between each pixel in the original block and the corresponding pixel in the block being used for comparison...

    , a simple metric for motion estimation in video compression

Other

  • Sagittal Abdominal Diameter
    Sagittal Abdominal Diameter
    Sagittal Abdominal Diameter is a measure of visceral obesity, the amount of fat in the gut region. SAD is the distance from the small of the back to the upper abdomen at the point midway between the top of the pelvis and the bottom of the ribs, measured while standing...

    , the diameter around one's waistline
  • Singles Awareness Day
    Singles Awareness Day
    "Singles Awareness Day" is a humorous holiday, celebrated on February 14 . It serves as an alternative to Valentine's Day for people who are single, that is, not involved in a romantic relationship. Some people who observe S.A.D...

    , a humorous holiday celebrated on February 14
  • Standard American Diet, a phrase associated with diet-related obesity in the United States
  • Systems Analysis and Design
    Systems analysis and design
    Systems Analysis and Design is an interdisciplinary part of science, which can related to:* Systems analysis* Systems designAnd to related types:* Object-oriented analysis and design* Service-oriented analysis and design* Structured analysis...

    , an interdisciplinary part of science
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