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nuclear power

American  
[noo-klee-er pou-er, nyoo-] / ˈnu kli ər ˈpaʊ ər, ˈnyu- /

noun

  1. power derived from nuclear energy.


nuclear power British  

noun

  1. Also called: atomic power.  power, esp electrical or motive, produced by a nuclear reactor

"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

nuclear power Cultural  
  1. The electrical power generated by a nuclear reactor.


Pronunciation

See nuclear ( def. ).

Etymology

Origin of nuclear power

First recorded in 1925–30

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.

That’s about as much as a nuclear power plant provides, or enough to power San Francisco at peak demand.

From Los Angeles Times • May 14, 2026

When paired with a nuclear power source, they could reduce the total mass needed for launch while enabling heavier payloads for human missions.

From Science Daily • May 6, 2026

In the western Spanish village of Almaraz, the uncertain future of the country's biggest nuclear power plant casts a pall over daily life.

From Barron's • May 4, 2026

His fundamental difference with the SNP remains the independence question, even if Labour's support for new nuclear power stations does offer an alternative dividing line.

From BBC • May 1, 2026

The same is true for nuclear power plant workers.

From "Meltdown" by Deirdre Langeland

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