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[meg-uh-wot] /ˈmɛg əˌwɒt/
noun, Electricity
a unit of power, equal to one million watts.
Abbreviation: MW.
Origin of megawatt
1895-1900; mega- + watt Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for megawatt
  • Each credit represents a subsidy to help produce one megawatt hour of renewable electricity, such as wind power.
  • Now the utility has installed a six-megawatt battery at the substation to deliver electricity to the town during outages.
  • Formidably toned by yoga, her body is in superb shape, but despite her tanned skin and megawatt smile she looks fragile and wan.
  • megawatt is wrongly used several times as a unit for energy.
  • The engine would have to deliver about a megawatt of power for every pound of weight of the ship.
British Dictionary definitions for megawatt


one million watts MW
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for megawatt

1900, from mega- + watt.

Online Etymology Dictionary, © 2010 Douglas Harper
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megawatt in Culture

megawatt definition

A unit of power: one million watts. A typical large electrical generating plant can produce a thousand megawatts of electricity.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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