parallel motion

parallel motion
noun
1. : a jointed link or other mechanism for reproducing motion parallel to itself; also : a straight-line motion
2. : melodic progression of two voices moving in same direction by the same intervals

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a mechanism arranged so as to impart rectilinear motion to a rod connected to a lever that moves through an arc.
[1820-30]

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parallel motion noun
A name given to any linkage by which circular motion may be changed into straight-line motion
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Main Entry: ↑parallel

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parallel motion,
1. Music. motion involving two parts or voices sounded together and moving in the same direction at the same intervals, usually parallel thirds or sixths.
2. a mechanism by which the end of a piston rod is caused to move in a straight line in spite of deflecting effort.

Useful english dictionary. 2012.

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Look at other dictionaries:

  • Parallel motion — Parallel Par al*lel, a. [F. parall[ e]le, L. parallelus, fr. Gr. ?; para beside + ? of one another, fr. ? other, akin to L. alius. See {Alien}.] 1. (Geom.) Extended in the same direction, and in all parts equally distant; as, parallel lines;… …   The Collaborative International Dictionary of English

  • Parallel motion — This article concerns parallel motion in mechanics. For parallel motion in music, see the article Contrary motion. The parallel motion is a mechanical linkage invented by the Scot James Watt in 1784 for his double acting steam engine.In previous… …   Wikipedia

  • parallel motion — a mechanism arranged so as to impart rectilinear motion to a rod connected to a lever that moves through an arc. [1820 30] * * * …   Universalium

  • parallel motion — movement that is in exactly the same direction; corresponding motion …   English contemporary dictionary

  • plane-parallel motion — lygiagretus su plokštuma judėjimas statusas T sritis fizika atitikmenys: angl. plane parallel motion vok. planparallele Bewegung, f rus. плоскопараллельное движение, n pranc. mouvement à deux dimensions, m …   Fizikos terminų žodynas

  • Parallel — Par al*lel, a. [F. parall[ e]le, L. parallelus, fr. Gr. ?; para beside + ? of one another, fr. ? other, akin to L. alius. See {Alien}.] 1. (Geom.) Extended in the same direction, and in all parts equally distant; as, parallel lines; parallel… …   The Collaborative International Dictionary of English

  • Parallel bar — Parallel Par al*lel, a. [F. parall[ e]le, L. parallelus, fr. Gr. ?; para beside + ? of one another, fr. ? other, akin to L. alius. See {Alien}.] 1. (Geom.) Extended in the same direction, and in all parts equally distant; as, parallel lines;… …   The Collaborative International Dictionary of English

  • Parallel circles of a sphere — Parallel Par al*lel, a. [F. parall[ e]le, L. parallelus, fr. Gr. ?; para beside + ? of one another, fr. ? other, akin to L. alius. See {Alien}.] 1. (Geom.) Extended in the same direction, and in all parts equally distant; as, parallel lines;… …   The Collaborative International Dictionary of English

  • Parallel columns — Parallel Par al*lel, a. [F. parall[ e]le, L. parallelus, fr. Gr. ?; para beside + ? of one another, fr. ? other, akin to L. alius. See {Alien}.] 1. (Geom.) Extended in the same direction, and in all parts equally distant; as, parallel lines;… …   The Collaborative International Dictionary of English

  • Parallel forces — Parallel Par al*lel, a. [F. parall[ e]le, L. parallelus, fr. Gr. ?; para beside + ? of one another, fr. ? other, akin to L. alius. See {Alien}.] 1. (Geom.) Extended in the same direction, and in all parts equally distant; as, parallel lines;… …   The Collaborative International Dictionary of English

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