Also found in: Thesaurus, Acronyms, Encyclopedia, Wikipedia.
1. Any of various toothlike projections arranged on a wheel rim to engage the links of a chain.
2. A cylinder with a toothed rim that engages in the perforations of photographic or movie film to pull it through a camera or projector.
1. (Mechanical Engineering) Also called: sprocket wheel a relatively thin wheel having teeth projecting radially from the rim, esp one that drives or is driven by a chain
2. (Mechanical Engineering) an individual tooth on such a wheel
3. (Mechanical Engineering) a cylindrical wheel with teeth on one or both rims for pulling film through a camera or projector
4. (Building) a small wedge-shaped piece of wood used to extend a roof over the eaves
[C16: of unknown origin]
a. a toothed wheel engaging with a conveyor or power chain.
b. a tooth on such a wheel.
[1530–40; orig. uncertain]
In naval mine warfare, an anti-sweep device included in a mine mooring to allow a sweep wire to pass through the mooring without parting the mine from its sinker.
Switch to new thesaurus
|Noun||1.||sprocket - roller that has teeth on the rims to pull film or paper through|
camera, photographic camera - equipment for taking photographs (usually consisting of a lightproof box with a lens at one end and light-sensitive film at the other)
roller - a cylinder that revolves
|2.||sprocket - thin wheel with teeth that engage with a chain|
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)
|3.||sprocket - tooth on the rim of gear wheel |
cogwheel, gear, gear wheel, geared wheel - a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion
tooth - something resembling the tooth of an animal