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megajoule

American  
[meg-uh-joul, -jool] / ˈmɛg əˌdʒaʊl, -ˌdʒul /

noun

Physics.
  1. a unit of work or energy, equal to one million joules.


Etymology

Origin of megajoule

mega- + joule

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.

However, that 2.05 megajoule input did not represent all the energy that went into the ignition process — just the amount that inefficient lasers managed to get to the hydrogen pellet.

From Washington Post • Dec. 14, 2022

In fact, it takes between 300 and 400 megajoules to produce a 2.1 megajoule laser beam.

From Slate • Dec. 14, 2022

It took far more energy in total — on the scale of 300 megajoules — to produce that 3.15 megajoule result.

From Washington Post • Dec. 14, 2022

This is an image of the record-breaking 33 megajoule test of the railgun by the U.S.

From Scientific American • Jan. 31, 2012

And with a kilogram of gasoline delivering 35 megajoules, it will be tough for electric cars and their batteries—delivering only roughly 1 megajoule per kilogram—to compete.

From Scientific American • Nov. 2, 2011