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waterwheel |
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waterwheelMachine for tapping the energy of running or falling water (hence a prime mover) by means of a set of paddles or buckets mounted around a wheel. The force of the moving water against the paddles, or the weight of water poured into the buckets, rotates the wheel. The resulting power is transmitted to machinery via the shaft of the wheel. The waterwheel was perhaps the earliest source of mechanical energy to replace that of humans and animals, and it was first used for such tasks as raising water and grinding grain. See also waterpower. waterwheel [′wȯd·ər‚wēl] (mechanical engineering) A vertical wheel on a horizontal shaft that is made to revolve by the action or weight of water on or in containers attached to the rim. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| The steamer's destination was telegraphed from waterwheel to waterwheel, and the villagers stopped out and put to according. |
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