Nearby Words

sprocket

[sprok-it] Origin

sprock·et

[sprok-it]
noun
1.
Machinery.
a.
Also called chainwheel, sprocket wheel. a toothed wheel engaging with a conveyor or power chain.
b.
one tooth of such a wheel.
2.
Carpentry. a wedge-shaped piece of wood extending a sloping roof over the eaves with a flatter pitch.

Origin:
1530–40; origin uncertain
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Sprocket is always a great word to know.
So is gobo. Does it mean:
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
Collins
World English Dictionary
sprocket (ˈsprɒkɪt)
 
n
1.  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.  an individual tooth on such a wheel
3.  a cylindrical wheel with teeth on one or both rims for pulling film through a camera or projector
4.  a small wedge-shaped piece of wood used to extend a roof over the eaves
 
[C16: of unknown origin]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

sprocket
1530s, originally a carpenters' word for a piece of timber used in framing, of unknown origin. The meaning "projection from the rim of a wheel that engages the links of a chain" is first recorded 1750.
Online Etymology Dictionary, © 2010 Douglas Harper
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Images for sprocket
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