gear ratio
noun Machinery.
the ratio of the rotational speeds of the first and final gears in a train of gears or of any two meshing gears.
the ratio of the diameters of the pitch surfaces of any two meshing gears or of the numbers of their teeth.
Origin of gear ratio
First recorded in 1905–10
Words nearby gear ratio
gear cluster,
gear down,
gear knob,
gear lever,
gear pump,
gear ratio,
gear train,
gear up,
gearbox,
gearing,
gearset
Example sentences from the Web for gear ratio
When the central pinion is held stationary the hub is driven at a less speed than the chain-wheel; the gear-ratio is 100 : 76.2.
The gear-ratio of a two-speed gear is the ratio of the high to the low gear.
In expressing the gear-ratio, the normal speed will be denoted by 100.