A harmonic gear or strain wave gear is a specialized gearing mechanism often used in industrial motion control, robotics and aerospace for its advantages over traditional gearing systems, including lack of …

: one of two or more adjustments of a transmission (as of a bicycle or motor vehicle) that determine mechanical advantage, relative speed, and direction of travel. The industry is geared to meet …

GEAR definition: 1. a device, often consisting of connecting sets of wheels with teeth (= points) around the edge…. Learn more.

Dec 27, 2025 · Gear, machine component consisting of a toothed wheel attached to a rotating shaft. Gears operate in pairs to transmit and modify rotary motion and torque (turning force) without slip, …

Feb 27, 2025 · Gears are used for transmitting power from one part of a machine to another. In a bicycle, for example, it's gears (with the help of a chain) that take power from the pedals to the back …

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To provide with gear; equip. 1. To come into or be in gear. 2. To shift a transmission: geared down to take the curve.

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Military rearmament moved into high gear. shift / switch gears, to change one's attitude, course of action, methods, etc., in an abrupt, dramatic, or unexpected manner.

The gears on a machine or vehicle are a device for changing the rate at which energy is changed into motion. On hills, he must use low gears. The car was in fourth gear. He put the truck in gear and …