| / English Dictionary |
COGWHEEL
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
A toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion
Synonyms:
cogwheel; gear; gear wheel; geared wheel
Classified under:
Nouns denoting man-made objects
Hypernyms ("cogwheel" is a kind of...):
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))
Meronyms (parts of "cogwheel"):
cog; sprocket (tooth on the rim of gear wheel)
tooth (one of a number of uniform projections on a gear)
Hyponyms (each of the following is a kind of "cogwheel"):
bevel gear; pinion and crown wheel; pinion and ring gear (gears that mesh at an angle)
escape wheel (gear that engages a rocking lever)
pinion (a gear with a small number of teeth designed to mesh with a larger wheel or rack)
epicyclic gear; planet gear; planet wheel; planetary gear (an outer gear that revolves about a central sun gear of an epicyclic train)
rack and pinion (a wheel gear (the pinion) meshes with a toothed rack; converts rotary to reciprocating motion (and vice versa))
spur gear; spur wheel (gear wheels that mesh in the same plane)
sun gear (the central gear in an epicyclic train)
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)
worm wheel (gear with the thread of a worm)
II. (verb)
Sense 1
Present simple (first person singular and plural, second person singular and plural, third person plural) of the verb cogwheel
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