AskDefine | Define parallel

Dictionary Definition

parallel adj
1 being everywhere equidistant and not intersecting; "parallel lines never converge"; "concentric circles are parallel"; "dancers in two parallel rows" [ant: perpendicular, oblique]
2 of or relating to the simultaneous performance of multiple operations; "parallel processing"


1 something having the property of being analogous to something else [syn: analogue, analog]
2 an imaginary line around the Earth parallel to the equator [syn: latitude, line of latitude, parallel of latitude]


1 be parallel to; "Their roles are paralleled by ours"
2 make or place parallel to something; "They paralleled the ditch to the highway" [syn: collimate]
3 duplicate or match; "The polished surface twinned his face and chest in reverse" [syn: twin, duplicate] [also: parallelling, parallelled]

User Contributed Dictionary



  1. Of two or more (straight) lines, (flat) surfaces etc: Equally distant from one another at all points.
    The horizontal lines on my notebook paper are parallel.
  2. parallel to: Of one thing, relative to another: Equally distant from at all points.
    The railway line runs parallel to the road.

Related terms


of two or more (straight) lines, (flat) surfaces etc: equally distant from one another at all points
  • Arabic:
  • Chinese: 平行 (píngxíng)
  • Czech: rovnoběžný
  • Dutch: evenwijdig, evenwijdige, parallel, parallelle
  • Esperanto: paralela
  • Finnish: rinnakkainen
  • French: parallèle
  • German: parallel
  • Greek: παράλληλος
  • Hebrew: m|p
  • Hungarian: párhuzamos
  • Italian: parallelo
  • Japanese: 平行の (へいこうの, heikō no)
  • Korean: 평행의 (pyeonghaeng-ui)
  • Polish: równoległy
  • Portuguese: paralelo
  • Russian: параллельный (parallél’nyj)
  • Spanish: paralelo
  • Swedish: parallell
of one thing, relative to another: Equally distant from at all points
  • Finnish: rinnakkainen, yhdensuuntainen
  • French: parallèle à
  • German: parallel zu
  • Greek: παράλληλος
  • Hebrew: m s
  • Swedish: parallell


  1. One of a set of parallel lines.
  2. A line of latitude.
    The 31st parallel passes through the center of my town.
  3. An arrangement of electrical components such that a current flows along two or more paths; see in parallel



one of a set of parallel lines
line of latitude


  1. To construct something parallel to something else.
  2. Of a path etc: To be parallel to something else.
  3. Of a process etc: To be analogous to something else.
  4. To compare or liken something to something else.


to construct something parallel to something else
  • Korean: 갋다 (''galbda, gap-)
of a path etc: To be parallel to something else
of a process etc: To be analogous to something else
to compare or liken something to something else
  • Greek: παραλληλίζω
  • Hebrew:
  • Korean: 견주다 (gyeonjuda)



  1. parallel
    Die Linien meines Schreibpapiers laufen exakt parallel.
    Die eine Bahnschiene verläuft auch in der Kurve stets parallel zur anderen.
  2. Serving the same purpose, leading to the same result
    Die Autobahn verläuft parallel zur Eisenbahn aber in ganz unterschiedlichen Biegungen und Kurven.
    Die Eheleute hatten nichts verabredet, so haben sie parallel (zueinander) eingekauft.

Extensive Definition

Parallel may refer to:

Mathematics and science

Proper name


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

Other uses

parallel in Danish: Parallel
parallel in German: Parallele
parallel in French: Parallèle
parallel in Croatian: Paralela
parallel in Dutch: Parallellie
parallel in Japanese: 平行
parallel in Polish: Równoległy

Synonyms, Antonyms and Related Words

Antarctic Zone, Arctic Circle, Arctic Zone, Frigid Zones, Lambert conformal projection, Mercator projection, Miller projection, Torrid Zone, Tropic of Cancer, Tropic of Capricorn, Variable Zones, abri, accessory, accompanying, accord, admit of comparison, aeronautical chart, affiliate, affiliated, agnate, agree, agree with, akin, align, aligned, alike, allied, ally, alter ego, amount to, analogical, analogize, analogon, analogous, analogue, analogy, answer to, ape, appear like, apply, approach, approach trench, approximate, assent, assimilate, associate, associated, assort with, astronomical chart, atlas, attendant, attending, azimuthal equidistant projection, azimuthal projection, balance, be commensurable, be comparable, be consistent, be like, be of one, be parallel, be redolent of, be uniform with, bear resemblance, bind, bound, bracket, bracketed, break even, bring into analogy, bring into comparison, bring to mind, brother, bunker, call to mind, call up, cartographer, cartography, celestial chart, celestial globe, chart, check, chime, chorographer, chorography, climate, climatic chart, clime, close copy, close match, coequal, coequality, coextend, coextending, coextensive, cognate, cohere, coincide, coincident, collatable, collateral, collimate, collocate, combined, come close, come near, come to, come up to, commensurable, commensurate, communication trench, companion, comparable, comparative, compare, compare and contrast, compare to, compare with, compeer, complement, concomitant, concur, concurrent, conform, conform to, conform with, confront, congenator, congener, congruent, conic projection, conjoint, conjugate, connect, connected, consist with, consonant, contemporaneous, contemporary, contour line, contour map, contrast, cooperate, coordinate, copy, correlate, correlated, correlation, correlative, correspond, correspond to, correspond with, correspondence, correspondent, corresponding, counterbalance, counterfeit, countermine, counterpart, counterpose, couple, coupled, coupure, cylindrical projection, ditch, ditto, double, double sap, dovetail, draw, draw a comparison, draw a parallel, dugout, duplicate, duplication, echo, entrenchment, equal, equality, equate, equator, equidistant, equipoise, equipollent, equiponderance, equispaced, equivalence, equivalent, even, even off, even up, evoke, fall in together, favor, fellow, fire trench, fit together, flying sap, follow, fortified tunnel, fosse, foxhole, gallery, general reference map, globe, gnomonic projection, go alongside, go beside, go together, go with, graphic scale, grid line, hachure, hang together, harmonize, heliographic chart, hit, hold together, homologous, homologue, horse latitudes, hydrographic chart, identify, image, imitate, implicated, in proportion, index, interlinked, interlock, interlocked, interrelate, interrelated, intersect, involved, isoline, iterate, jibe, joined, joint, keep pace with, kindred spirit, kinship, knot, knotted, latitude, layer tint, legend, like, liken, liken to, likeness, line up, lined up, link, linked, lock, longitude, longitude in arc, look like, map, map maker, map projection, mapper, match, match up with, matchable, matching, mate, measure against, measure up to, meridian, metaphorize, mimic, mine, mirror, moat, much at one, mutatis mutandis, mutual, near, near duplicate, nearly reproduce, nonconvergent, nondivergent, not compare with, not tell apart, obverse, of a kind, of a piece, of a size, of that ilk, of that kind, offset, oppose, opposite number, overlap, paired, paragon, parallel bar, parallel file, parallel line, parallelepiped, parallelepipedal, paralleler, parallelinervate, paralleling, parallelism, parallelize, parallelodrome, parallelogram, parallelogrammatic, parallelogrammic, parallelotropic, pari passu, parity, partake of, peer, pendant, photogrammetrist, photogrammetry, photomap, phototopography, physical map, picture, place against, political map, polyconic projection, prime meridian, projection, proportion, proportional, proportionate, reach, reciprocal, register, register with, reiterate, relate, related, relationship, relative, relativize, relief map, remind one of, repeat, representative fraction, resemblance, resemble, respond to, rival, road map, roaring forties, run a comparison, run abreast, run parallel, run to, sap, savor of, scale, second self, seem like, set in contrast, set in opposition, set off, set off against, set over against, similar, similarity, similitude, similize, simulacrum, simulate, simultaneous, sing in chorus, sinusoidal projection, sister, slit trench, smack of, sort with, soul mate, sound like, special map, spliced, square, square with, stack up with, stand together, subtropics, such, suchlike, suggest, symmetry, take after, tally, terrain map, terrestrial globe, the like of, the likes of, the line, thematic map, tie, tied, topographer, topographic chart, topography, touch, transportation map, trench, tropic, tropics, tunnel, twin, twinned, uniform, vie, vie with, view together, weather chart, weather map, wed, wedded, weigh, weigh against, yoked, zone
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