Periphery

Periphery or peripheral may refer to:

Music

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

Peripheral, an external device attached to a computer
Peripheral, an alternate mathematical term for boundary parallel in manifold theory
Peripheral cycle, a mathematical term in graph theory

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

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