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View synonyms for nuclear fusion

nuclear fusion

[ noo-klee-er fyoo-zhuhn, nyoo- ]

nuclear fusion

noun

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


fusion, nuclear

  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 Note

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Notes

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.

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Word History and Origins

Origin of nuclear fusion1

First recorded in 1895–1900

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