nuclear energy

[noo-klee-er en-er-jee, nyoo-] / ˈnu kli ər ˈɛn ər dʒi, ˈnju- /

NOUN

radioactive energy source

Synonyms

STRONGEST

atomic energy nuclear power

WEAK

atomic power fission power fusion power nuclear fission power nuclear fusion power thermonuclear energy thermonuclear power

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:

nuclear energy

What specific types of nuclear energy generators are safe enough to use?

From Slate ● Oct. 18, 2026

This resistance to environmental disturbances makes nuclear energy transitions especially promising for ultra-precise timekeeping.

From Science Daily ● Oct. 11, 2026

Regardless, investors likely haven’t seen the last big deal, and that’s driven meaningful recent gains for stocks tied to nuclear energy.

From MarketWatch ● Oct. 8, 2026

Amazon just made a new nuclear energy investment that could expand the capacity of America’s reactor fleet.

From Barron's ● Sep. 30, 2026

“It may be that the day of useful nuclear energy is not so far distant after all,” he wrote to his fellow cyclotron builder Alexander Allen.

From "Big Science" by Michael Hiltzik

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