cogwheel
English Thesaurus
1. a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion (noun.artifact)
| hypernym | : | wheel, |
| definition | : | 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) (noun.artifact) |
| hyponym | : | escape wheel, |
| definition | : | gear that engages a rocking lever (noun.artifact) |
| hyponym | : | pinion, |
| definition | : | a gear with a small number of teeth designed to mesh with a larger wheel or rack (noun.artifact) |
| hyponym | : | rack and pinion, |
| definition | : | a wheel gear (the pinion) meshes with a toothed rack; converts rotary to reciprocating motion (and vice versa) (noun.artifact) |
| hyponym | : | spur gear, spur wheel, |
| definition | : | gear wheels that mesh in the same plane (noun.artifact) |
| hyponym | : | sun gear, |
| definition | : | the central gear in an epicyclic train (noun.artifact) |
| hyponym | : | worm gear, |
| definition | : | 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 (noun.artifact) |
| hyponym | : | worm wheel, |
| definition | : | gear with the thread of a worm (noun.artifact) |
| part holonym | : | cog, sprocket, |
| definition | : | tooth on the rim of gear wheel (noun.artifact) |
| part holonym | : | tooth, |
| definition | : | one of a number of uniform projections on a gear (noun.artifact) |
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