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Definitions of cogwheel
  1. noun
    a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion
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Definition that contains cogwheel
  • cog railway railway for steep mountains; a cogwheel on the locomotive engages cogs on a center rail to provide traction
  • rack railway railway for steep mountains; a cogwheel on the locomotive engages cogs on a center rail to provide traction
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