Triad (disambiguation)
From Wikipedia, the free encyclopedia
The word triad has a number of different usages:
Contents |
[edit] Science and Mathematics
- In sociology a group of three people - Triad (sociology)
- Pythagoreans describe the number three, or Triad (symbol) as the most beautiful of numbers.
- In mathematics, a left- or right-handed triad is a set of orthogonal co-ordinate axis.
- Iamblichus, a Greek philosopher referred to the triad as as number that "has a special beauty and fairness beyond all numbers".
- In psychology, the MacDonald triad refers to a set of three common childhood traits shared by serial killers.
- In biochemistry, catalytic triad refers to three amino acid residues found inside the active site of certain proteases.
- In environmental science the Triad refers to a decision-making approach for hazardous waste site characterization and remediation. It is a technically defensible methodology for managing decision uncertainty that leverages innovative characterization tools and strategies. The Triad (environmental science) refers to three primary components, systematic planning, dynamic work strategies, and real-time measurement systems as outlined in the Triad Resource Center.
[edit] Computing
- A computer term for a form of display - Triad (computers)
- An infamous software piracy organization for the Commodore 64 - Triad
[edit] Medicine
- In skeletal muscle, a triad is a T tubule with sarcoplasmic reticulum on either side.
- The Beck's triad are three findings typical of cardiac tamponade.
- The Charcot's triad may refer to two sets of clinical signs, relating to multiple sclerosis or ascending cholangitis.
- The Cushing's triad refers to a set of three signs showed by patients with head injuries.
- The Dieulafoy's triad is considered a classic sign of acute appendicitis.
- The Hutchinson's triad is a common pattern of presentation for congenital syphilis.
- The Meckler's triad is used to diagnose Boerhaave syndrome.
- The Virchow's triad refers to a set of three signs attributed to Rudolf Virchow describing the pathogenesis of venous thrombosis.
- The Whipple's triad is a set of three conditions that are considered by physicians necessary for proving hypoglycemia as the cause of a person's symptoms.
[edit] Fiction
- A fictional sport depicted in the original Battlestar Galatica series.
- In the television series Charmed, The Triad was a group of three upper-level demons who worked for the source of all evil.
- The Triiad are a fictional alien species from the television series Hypernauts.
- In DC Comics, Triad is a member of the Legion of Super-Heroes.
- A type of moderated civil suit trial on the Tolan homeworld in the television series Stargate SG-1, in which a decision is reached by three parties (the two involved in the dispute and an additional, neutral third party to break any ties) after persuasive arguments from both sides of the dispute have been given.
[edit] Mythology and Folklore
- A localised grouping of gods in Egyptian mythology
- The Welsh Triads, a collection of mediaeval Welsh legend and history, arranged in groups of three.
[edit] Games
[edit] Music
- A chord in music - see: Triad (music)
- A 1967 song by David Crosby from the Notorious Byrd Brothers album, subsequently dropped with a later version recorded by the Jefferson Airplane, then released on Four Way Street, a live recording by Crosby, Stills & Nash (and Young).
- "Triad," a song by Tool from their 2001 album Lateralus
- A pioneering UK rap group founded in 2003. see Triad 17
[edit] Other usages
- An underground crime society and organizations based in Hong Kong and also operating in other Chinese communities - Triad
- A grouping of three
- The traditional strategic triad of strategic defense is ICBM, SLBM, strategic bomber
- The Piedmont Triad region of North Carolina
- Triad Demand - A measurement of electrical power demand
 |
This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article. |
