Triad

Look up triad in Wiktionary, the free dictionary.

A triad in simplest terms is defined as a "group of three" and may refer to:

• 3 (number)

Music

• Triad (music), three-note chord consisting of a "root" note together with the third and fifth above it
• Triad (album), 1976 album by Spontaneous Combustion
• "Triad" (Pitchshifter song), song by Industrial metal band Pitchshifter from their 1993 album Desensitized
• "Triad" (David Crosby song), 1967 song about a ménage à trois
• "Triad", song by progressive rock band Tool from their 2001 album Lateralus

Medieval literature

• Welsh Triads, collections of medieval Welsh legend and history
• Triads of Ireland, triplet proverbs and aphorisms

Fiction

• The Triad (Charmed), group of three powerful demons in the television series Charmed
• Triad (superhero), alias of fictional DC Comics super hero Triplicate Girl
• Triad (Battlestar Galactica), ball sport in the television series Battlestar Galactica (1978-1980)
• Triad (Battlestar Galactica), card game in the television series Battlestar Galactica (2003-2009)
• Triiad, alien species from the television series Hypernauts

Medicine

• Triad (anatomy), structure in skeletal muscles, formed by a T tubule surrounded by sarcoplasmic reticulum
• Catalytic triad, biochemical term for three amino acid residues found within some proteases
• Currarino triad, three malformations with a genetic link
• Portal triad, distinctive arrangement in the liver
• Unhappy triad, tearing of one or both of the cruciate ligaments, along with collateral ligament damage and meniscal tear(s)
• Group of three signs or symptoms for diagnosis of various conditions:
  • Beck's triad (cardiology), for cardiac tamponade
  • Beck's cognitive triad, for depression
  • Charcot's triad 1, for multiple sclerosis or
  • Charcot's triad 2, for ascending cholangitis
  • Cushing's triad, for head injuries
  • Dieulafoy's triad, for acute appendicitis
  • Female athlete triad, low energy availability in female athletes
  • Hutchinson's triad, congenital syphilis
  • Meckler's triad, for Boerhaave syndrome
  • Virchow's triad, for venous thrombosis
  • Whipple's triad, for hypoglycemia
  • MacDonald triad, for anti-social personality disorder

Computing

• Triad (computers), group of three phosphor dots used in some computer monitors
• Rise of the Triad, computer game
• TriadCity, MUD with literary themes

Commerce

• Triad Advertising, Sri Lankan advertising agency
• Triad Broadcasting, US radio station operator
• Triad Hospitals, former hospital operator based in Plano, Texas
• Triad Racing Technologies, former NASCAR team
• Triad Securities
• Triad demand, UK electrical power demand measurement
• Triad, collective name coined by Kenichi Ohmae for the three developed markets of Japan, North America and Western Europe

Organizations

• Lexington Triad
• Miami Triad
• Syracuse Triad, three women's sororities founded at Syracuse University
• Triad (underground societies), Chinese organized-crime societies
• Triad Theater, in New York City
• Triad High School, disambiguation
• Union Triad
• Triad Strategies, American lobbying firm

Other

• Triad (Greek philosophy), Pythagorean symbol for the number three
• Triple deity, three deities commonly associated together
• Triad (relationship), relationship between three people
• Triad (sociology), group of three people as a unit of study
• Nuclear triad, nuclear arsenal with three components
• HMS Triad (N53), T-class submarine of the UK Royal Navy
• Piedmont Triad, region of North Carolina, USA
• Triad (environmental science), management system for environmental cleanup
• Dark triad, group of three undesirable personality traits

See also

• Triadi, village in Thessaloniki, Greece
• Triadic, disambiguation
• Triadica, plant genus of the family Euphorbiaceae
• Triads, Yardies and Onion Bhajees, 2003 British film directed by Sarjit Bains
• Trio

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.