wheel a simple machine consisting of a circular frame with spokes (or a solid disc) that can rotate on a shaft or axle (as in vehicles or other machines)
tooth a means of enforcement; "the treaty had no teeth in it"
worm gear gear consisting of a shaft with screw thread (the worm) that meshes with a toothed wheel (the worm wheel); changes the direction of the axis of rotary motion
gear -
a mechanism for transmitting motion for some specific purpose (as the steering gear of a vehicle)
high gear,
high a forward gear with a gear ratio that gives the greatest vehicle velocity for a given engine speed
park a gear position that acts as a parking brake; "the put the car in park and got out"
reverse gear,
reverse (American football) a running play in which a back running in one direction hands the ball to a back running in the opposite direction
second gear,
second the gear that has the second lowest forward gear ratio in the gear box of a motor vehicle; "he had to shift down into second to make the hill"
steering gear a gear that couples the steering wheel to the steering linkage of a motor vehicle
third gear,
third the third from the lowest forward ratio gear in the gear box of a motor vehicle; "you shouldn't try to start in third gear"
gear -
equipment consisting of miscellaneous articles needed for a particular operation or sport etc.
kit,
outfit young of any of various fur-bearing animals; "a fox kit"
regalia paraphernalia indicative of royalty (or other high office)
rig gear (including necessary machinery) for a particular enterprise
rigging,
tackle gear consisting of ropes etc. supporting a ship's masts and sails
gear -
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"
adapt,
accommodate make fit for, or change to suit a new purpose; "Adapt our native cuisine to the available food resources of the new country"
popularise,
popularize make understandable to the general public; "Carl Sagan popularized cosmology in his books"
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= antonym
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Wiktionary
Substantiv
gear -
Equipment or paraphernalia, especially that used for an athletic endeavor.
gear -
A wheel with grooves teeth engraved on the outer circumference, such that two such devices can interlock and convey motion from one to the other.
gear -
A particular combination or choice of interlocking gears, such that a particular gear ratio is achieved.
gear -
To provide with gearing; to fit with gears in order to achieve a desired gear ratio.
gear -
To be in, or come into, gear.
gear -
To dress; to put gear on; to harness.
Wikipedia
A gear is a rotating machine part having cut teeth, or cogs, which mesh with another toothed part in order to transmit torque. Two or more gears working in tandem are called a transmission and can produce a mechanical advantage through a gear ratio and thus may be considered a simple machine. Geared devices can change the speed, magnitude, and direction of a power source.
OmegaWiki Dictionary
Ω
gear A configuration of the transmission of an motor car so as to achieve a particular ratio of engine to axle torque.
gear A wheel with grooves (teeth) engraved on the outer circumference, such that two such devices can interlock and convey motion from one to the other.