parallel motion

American  

noun

1. a mechanism arranged so as to impart rectilinear motion to a rod connected to a lever that moves through an arc.

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Etymology

Origin of parallel motion

First recorded in 1820–30

Example Sentences

“It’s three minor 9th chords in parallel motion — it’s carrying you,” says original “Everybody Loves the Sunshine” keyboardist Philip Woo.

From Los Angeles Times • May 19, 2026

At times, sound and image achieve an exhilarating synchronicity, as when stripes are hurtling across the screen and Reich’s instruments are racing in parallel motion.

From The New Yorker • May 20, 2019

Sylvester could see no reason "why the perfect parallel motion should not be employed with equal advantage in the construction of ordinary water-closets."

From Kinematics of Mechanisms from the Time of Watt by Ferguson, Eugene S.

When playing in contrary motion all unevenness, all breaks in precision and all unbalanced conditions of touch become much more evident to the ear than if the same exercises were played in parallel motion.

From Great Pianists on Piano Playing Study Talks with Foremost Virtuosos. A Series of Personal Educational Conferences with Renowned Masters of the Keyboard, Presenting the Most Modern Ideas upon the Subjects of Technic, Interpretation, Style and Expression by Cooke, James Francis

It will be seen that the three slits can be closed or opened from the centre by a parallel motion.

From Colour Measurement and Mixture by Abney, W. de W.