Look up parallel in Wiktionary, the free dictionary.
Parallel may refer to:
Mathematics
- Parallel (geometry), two lines in the Euclidean plane which never intersect
- Parallel postulate, an axiom from Euclid's Elements establishing flat Euclidean geometry
- Parallel transport, in differential geometry, a way of transporting geometrical data along smooth curves
- Parallel (operator), mathematical operation named after the composition of electrical resistance in parallel circuits
Science and engineering
- Parallel (latitude), an imaginary east–west line circling a globe
- Parallel of declination, used in astronomy
- Parallel evolution, the similar development of a trait in unrelated biological species
- Parallel circuit, with electrical components connected side-by-side (in a series circuit, components are connected end-to-end )
- Parallel manipulator, a mechanical system with two platforms connected by linear actuators
- Parallel cousin, in anthropology, a cousin from a parent's same-sex sibling (a cross-cousin is from a parent's opposite-sex sibling)
- Parallel, a geometric term of location meaning "in the same direction"
Computing
- Parallel algorithm
- Parallel computing
- Parallel communication
- Parallel metaheuristic
- Parallel ATA
- Parallel port
- Parallel (software), a UNIX utility for running programs in parallel
- Parallel Computers, Inc., an American computer manufacturer of the 1980s
- Parallel Sysplex, a cluster of IBM mainframes
Music theory
- Parallel chord
- Parallel key, the minor (or major) key of a major (or minor) key with the same tonic
Language
- Parallelism (grammar), a balance of two or more similar words, phrases, or clauses
- Parallelism (rhetoric)
Entertainment
- Parallel (manga)
- Parallel (2018 film), a Canadian science fiction thriller film
- Parallel (2023 film) an upcoming American science fiction thriller film
- Parallel (video), a compilation of music videos by REM
- Parallel (The Black Dog album), 1995
- Parallel (Four Tet album)
- Parallel (EP), a 2017 EP by GFriend
- "The Parallel", an episode of the TV series The Twilight Zone
Other uses
- Parallel, a type of trench; see Siege#Age of gunpowder
- Avinguda del Paral·lel
- Parallel (filling stations operator), an operator in Ukraine's oil wholesale and retail markets
See also
- Parallels (disambiguation)
- Parallel lines (disambiguation)
- Parallel universe (disambiguation)
- Parallel World (disambiguation)
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