from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The energy produced by running or falling water that is used for driving machinery, especially for generating electricity.
  • noun A source of such energy, as a waterfall.
  • noun A water right owned by a mill.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Alternative form of water power.
  • noun The capacity to shoot water, as from a fire hose or squirt gun


Sorry, no etymologies found.


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  • Where waterpower is least abundant, coal in vast quantities is near at hand.

    Canada Turning the Corner 1929

  • Until quite recently our immense wealth in waterpower was treated in the same way.

    The Future of Canadian Forests 1905

  • It is supplied with numerous small streams, affording ample waterpower, which is applied to manufacturing purposes.

    A Geography for Beginners. Kensey Johns 1864

  • Mr. Mansfield's chapters on the legacy of waterpower and the landscape echoes of King Philip's War

    The Tyranny of the Clock 2010

  • The town of Meaux has a busy population of about 10,000 souls, in peaceable times principally occupied in manufacturing flour for the Paris market, having a fine waterpower for the many mills.

    She Makes Her Mouth Small & Round & Other Stories 2010

  • Manchuria is fertile land, rich in waterpower, coal deposits, and iron ore.

    The Last Empress Hannah Pakula 2009

  • This food was used to induce otherwise unemployed ex farmers to produce more machines, which could in turn use more coal and/or waterpower to produce more goods for exchange for more food.

    Energy and Society~ Chapter 6~ The Historical Circumstances 2009

  • Around the points in the economy where the use of new converters permits the utilization of the surplus energy, nuclear fuel, gas, coal, oil, and waterpower, there form pools of unclaimed surplus energy.

    Energy and Society~ Chapter 12~ The Distribution of Consumer Goods 2009

  • Progress has depended upon the increasing control of energy ... the Rhinelanders harnessed oxen, the Benedictines waterpower.

    Biophysical economics 2008

  • Great powers, as many historians have noted, have risen by embracing a particular energy source -- for the Dutch, wind and waterpower; for the British, coal; for the United States, oil – and fallen when they failed to embrace the newer and more efficient sources of energy their rivals adopted.

    Bush vs. The Second Law of Thermodynamics 2007


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  • Is this like a watery equivalent measure to say horsepower?

    October 29, 2015

  • Or firepower?

    October 29, 2015