water wheel


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water wheel ‎(plural water wheels)

  1. A wheel, propelled by running or falling water, used to power machinery.
    • 2013 July-August, Lee S. Langston, “The Adaptable Gas Turbine”, American Scientist: 
      Turbines have been around for a long time—windmills and water wheels are early examples. The name comes from the Latin turbo, meaning vortex, and thus the defining property of a turbine is that a fluid or gas turns the blades of a rotor, which is attached to a shaft that can perform useful work.
  2. A wheel with buckets used to raise water.


  • (wheel with buckets): noria


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