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megawatt

American

[meg-uh-wot] / ˈmɛg əˌwɒt /

noun

Electricity.

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

megawatt British

/ ˈmɛɡəˌwɒt /

noun

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

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.

Rabobank forecasts prices to average around 60 euros a megawatt hour in the second quarter.

From The Wall Street Journal • Mar. 31, 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

The benchmark Dutch TTF front-month contract fell 2.3% to 60.41 euros a megawatt hour in early trading after hitting its highest level since 2022 on Thursday.

From The Wall Street Journal • Mar. 20, 2026

The Tesla megawatt charging system features liquid-cooled cables.

From Barron's • Mar. 6, 2026

And then that megawatt smile that belonged on cereal boxes across the nation reappeared.

From "Beauty Queens" by Libba Bray

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023