Periphery

Periphery or peripheral may refer to:

Music

 * Periphery (band), American progressive metal band
 * Periphery (album), released in 2010 by Periphery
 * "Periphery", a song from Fiona Apple's album The Idler Wheel...

Gaming and entertainment

 * Periphery, a group of political entities in BattleTech, a wargaming franchise
 * The Peripheral, a 2014 novel by William Gibson
 * The Peripheral (TV series), a streaming series based on Gibson's novel

Mathematics

 * Peripheral, an alternate mathematical term for boundary parallel in manifold theory
 * Peripheral cycle, a mathematical term in graph theory

Computing

 * Peripheral, a device connected to a computer

Political

 * Periphery countries, the least developed countries in world systems theory
 * Periphery (France), statistical area designating a commuter belt around an urban unit
 * Peripheries of Greece or administrative regions of Greece (Greek: περιφέρειες, peripheries), the country's first-level administrative divisions
 * Peripheral units of Greece or regional units of Greece (Greek: περιφερειακές ενότητες, perifereiakés enóti̱tes), second-level administrative divisions

Biology

 * Periphery, all of the body outside of the central nervous system
 * Peripherally selective drug, a drug with a primary mechanism of action outside of the central nervous system
 * Peripheral nervous system, the part of the nervous system outside of the central nervous system
 * Peripheral vision, a part of the vision that occurs on the edges of the field of vision