Dictionary.com
Thesaurus.com
Synonyms

nuclear power

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

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.

See Examples For:

The Beznau nuclear power plant in Switzerland, which was shut down multiple times over the last two months due to summer heatwaves, is fully operational again, Swiss energy company Axpo said Friday.

From Barron's Aug. 28, 2026

The Port of Long Beach has an answer: little, floating nuclear power plants.

From Los Angeles Times Aug. 28, 2026

Gravelines, one of the country's biggest nuclear power stations located between Dunkirk and Calais in the Hauts-de-France region, was also closed last August because of jellyfish in its filters.

From BBC Aug. 27, 2026

Romania, Bulgaria and Hungary all had to shut down or curtail nuclear power plants because the Danube was too low to provide cooling.

From Barron's Aug. 25, 2026

She got arrested five times for protesting against nuclear power.

From "Orbiting Jupiter" by Gary D. Schmidt

Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training