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.

Nearby words

  1. gear cluster,
  2. gear down,
  3. gear knob,
  4. gear lever,
  5. gear pump,
  6. gear train,
  7. gear up,
  8. gearbox,
  9. gearing,
  10. gearset

Origin of gear ratio

First recorded in 1905–10 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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