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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

The Navy said using nuclear power for propulsion would allow the ship to travel longer distances and faster.

From The Wall Street Journal • May 12, 2026

And nuclear power is booming thanks to accelerating electricity demand driven by AI data centers.

From Barron's • May 6, 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

Comparable economies of expression can be obtained by comparing the high safety index associated with nuclear power with the relatively low safety index for burning coal.

From "Innumeracy: Mathematical Illiteracy and Its Consequences" by John Allen Paulos

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