nuclear fusion

American  

[noo-klee-er fyoo-zhuhn, nyoo-] / ˈnu kli ər ˈfyu ʒən, ˈnyu- /

noun

1. fusion.

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nuclear fusion British  

noun

1. Sometimes shortened to: fusion.  a reaction in which two nuclei combine to form a nucleus with the release of energy Compare nuclear fission See also thermonuclear reaction

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fusion, nuclear Cultural  

1. The combining of two small atomic nuclei to form a larger nucleus, sometimes with the release of energy. (Compare nuclear fission.)

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Pronunciation

See nuclear ( def. ).

Discover More

The use of fusion as a controllable energy source on Earth is still in its experimental stages.

The fusion of hydrogen into helium releases huge amounts of energy and is the main energy source of stars, including the sun.

Hydrogen bombs use the energy of fusion.

Etymology

Origin of nuclear fusion

First recorded in 1895–1900

Example Sentences

A Bill Gates-backed nuclear fusion company has teamed up with tech giants Nvidia and Siemens in an effort to bring the energy that powers the sun a step closer to commercial reality.

From The Wall Street Journal

There’s also plenty of uncertainty about the future of nuclear fusion.

From Barron's

There is also plenty of uncertainty about the future of nuclear fusion.

From Barron's

There is also plenty of uncertainty about the future of nuclear fusion.

From Barron's

Brown dwarfs are often referred to as "failed stars" -- because they form in a similar way to stars but never grow massive enough to ignite nuclear fusion in their cores.

From Science Daily