gear ratio
Americannoun
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the ratio of the rotational speeds of the first and final gears in a train of gears or of any two meshing gears.
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the ratio of the diameters of the pitch surfaces of any two meshing gears or of the numbers of their teeth.
Etymology
Origin of gear ratio
First recorded in 1905–10
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Turbo mode can quickly overwhelm the bike’s single-speed gear ratio, however.
From The Verge ● Jul. 17, 2019
But if you think post-apocalyptically, that gear ratio means a very efficient bike for carrying heavy loads.
From Slate ● Sep. 16, 2013
They have no brakes and a fixed gear ratio that means the pedals will always be turning whether our legs want them to be or not.
From The Guardian ● Aug. 23, 2012
It can turn 3,000 r. p. m., make 90 m. p. h. with a gear ratio slightly above normal.
From Time Magazine Archive
The chain drive also allows the replacement of the sprocket with one of a larger or smaller diameter thereby giving a higher or lower gear ratio, which cannot be done with the worm gear.
From Motor Truck Logging Methods Engineering Experiment Station Series, Bulletin No. 12 by Frederick Malcolm Knapp
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