Parallel

Parallel may refer to:

Mathematics and science

• Parallel (latitude), an imaginary east-west line circling a globe
• Parallel circuits, as opposed to series
• Parallel (geometry)
• Parallel evolution
• Parallel transport
• Parallel of declination, used in astronomy

Computing

• Parallel algorithm
• Parallel computing
• Parallel metaheuristic
• Parallel (software), a UNIX utility for running programs in parallel
• Parallel Sysplex, a cluster of IBM mainframes
• Parallel communication
• Parallel port
• Parallel ATA

Music and entertainment

• Parallel (manga), a shōnen manga by Toshihiko Kobayashi
• Parallel (video), a video album by R.E.M.
• "The Parallel", an episode of The Twilight Zone
• Parallel 9, a British children's television show
• "Parallel", the fourth track on Bad Religion's 1996 album The Gray Race

Music terminology

• Parallel fifths, the concurrence of successive intervals of a perfect fifth between two voices
• Parallel harmony, also known as "harmonic planing" or "parallel voice leading"
• Parallel key, the minor (or major) key of a major (or minor) key with the same tonic
• Parallel chord

Other uses

• Avenida del Paralelo, one of the main streets of Barcelona
• Parallel cousin
• Parallelism (grammar), a balance of two or more similar words, phrases, or clauses
• Parallelism (rhetoric)