Triad

Triad or triade may refer to:


 * a group of 3|three

Humanities

 * Trichotomy (philosophy), often called triads
 * Triad (sociology), a group of three people as a unit of study
 * Triad (relationship), or ménage à trois

Music

 * Triad (music), chord consisting of root, third and fifth

Science and technology

 * Triad (anatomy), structure in skeletal muscles, formed by a T tubule surrounded by sarcoplasmic reticulum
 * Triad (computing), 3 bits of information storage
 * Triad (environmental science), management system for environmental cleanup
 * Triad (monitors), group of three phosphor dots used in some computer monitors
 * List of medical triads, tetrads, and pentads
 * A nuclear triad
 * Triad, a brand name of the combination medication butalbital/acetaminophen

Religion

 * Triad (religion), a grouping of three gods

Businesses and organisations

 * Triad (American fraternities), certain historic groupings of seminal college fraternities in North America
 * Triad (organized crime), a Chinese transnational organized crime syndicate
 * Triad Broadcasting, an American radio station operator
 * Triad High School (disambiguation), several uses
 * Triad Hospitals, an American hospital operator
 * Triad International, a multi-national private investment corporation
 * Triad Racing Technologies, a body parts and chassis supplier for NASCAR teams
 * Triad Securities, a finance company
 * Triad Strategies, an American lobbying firm
 * Triad Theater, a performing arts venue in New York City

Places

 * The Triad (mountain), in Washington, U.S.
 * Piedmont Triad, or simply the Triad, a region of North Carolina, U.S.
 * Triad Islands, in Antarctica

Arts and entertainment

 * Triads (Gregory Palamas), a set of nine treatises by 14th-century Byzantine Greek theologian St. Gregory Palamas
 * Triad, a 2013 video game by Anna Anthropy
 * Triad (sculpture), a 1980 outdoor sculpture by Evelyn Franz
 * Welsh Triads, collections of medieval Welsh legend and history
 * Triads of Ireland, a collection of Old Irish writings

Fictional characters

 * The Triad (Charmed), fictional characters in the TV series
 * Triad (superhero), alias of DC Comics' Luornu Durgo

Film and television

 * Triad (film), a 1938 German film
 * Triad, a 2012 Hong Kong film starring William Chan

Music

 * The Triad (album), by Pantha du Prince, 2016
 * Triad (band), a Swedish music group
 * "Triad", a track on Enya's 1987 album Enya
 * "Triad" (Pitchshifter song), 1993
 * "Triad" (David Crosby song), 1967
 * "Triad", a song by Tool from their 2001 album Lateralus
 * “Triad”, a song by Jefferson Airplane from their 1968 album “Crown Of Creation”

Other

 * HMS Triad (N53), T-class submarine of the UK Royal Navy