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megawatt

American  
[meg-uh-wot] / ˈmɛg əˌwɒt /

noun

Electricity.
  1. a unit of power, equal to one million watts. MW


megawatt British  
/ ˈmɛɡəˌwɒt /

noun

  1.  MW.  one million watts

"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

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


Etymology

Origin of megawatt

First recorded in 1895–1900; mega- + watt

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"An electric car contains 80 kg of copper, compared with 20 kg in a conventional one," he notes, while "a wind turbine contains between four and ten tons of copper per megawatt."

From Barron's • Apr. 3, 2026

The benchmark Dutch TTF front-month contract rises 2% to 56.35 euros a megawatt hour.

From The Wall Street Journal • Mar. 27, 2026

It’s a query that McCarthy, who came of age — and amassed megawatt fame — as a 1980s heartthrob in films like “Class” and “Pretty in Pink” before transitioning to feted author, longs to address.

From Los Angeles Times • Mar. 25, 2026

European natural-gas prices surged 18% to 65 euros per megawatt hour after attacks on Qatar’s LNG facilities.

From Barron's • Mar. 19, 2026

Sasha was now about a year old, wobbling on two feet and beginning to say words and crack us up with her megawatt smiles.

From "Becoming" by Michelle Obama