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Definition of "sprocket" []

  • Any of various toothlike projections arranged on a wheel rim to engage the links of a chain. (noun)
  • A cylinder with a toothed rim that engages in the perforations of photographic or movie film to pull it through a camera or projector. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "sprocket" in a sentence
  • "There is a drop down menu from the top middle bar of your working window (with a little 'sprocket' symbol)."
  • "Why, coming home on my bicycle the other day there was an awful row between some infernal 'sprocket' and the 'ball bearings' of the machine, and I never knew before there were such things in the whole concern. ""
  • "All you have to do is back off the holding nuts, then use a screwdriver to turn a sprocket in the bar to loosen or tighten the chain as much as you want."