windmill
World Encyclopedia
windmill Machine powered by the wind acting on sails or vanes. The earliest windmills were built in the Middle East in the 7th century. They spread to Europe in the Middle Ages. Their use was ...
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windmill
The Columbia Encyclopedia, Sixth Edition
windmill apparatus that harnesses wind power for a variety of uses, e.g., pumping water, grinding corn, driving small sawmills, and driving electrical generators. Windmills were probably not known in Europe before the 12th cent., but thereafter they became familiar landmarks in Holland, England, ...
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wind power
Encyclopedia Britannica
Use of the energy in winds to produce power. Though wind is irregular and spread out, it contains tremendous amounts of energy. Sophisticated wind turbines have been developed to convert this energy to electric power. The use of wind-energy ...
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wind power
World Encyclopedia