Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun reduction_gear

1 sense of reduction gear

Sense 1
reduction gear -- (gearing that reduces an input speed to a slower output speed)
       => gearing, gear, geartrain, power train, train -- (wheelwork consisting of a connected set of rotating gears by which force is transmitted or motion or torque is changed; "the fool got his tie caught in the geartrain")