NUCLEAR FUSION Definition & Meaning

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nuclear fusion

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

Phonetic (Standard)IPA

noun

fusion ( def 4 ).

nuclear fusion

noun

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

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

See nuclear ( def ).

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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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�y��vlog History and Origins

Origin of nuclear fusion¹

First recorded in 1895–1900

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Example Sentences

The team in Bristol have come up with a whole new approach, using nuclear fusion rather than fission.

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They are created by nuclear fusion reactions in the sun, radioactive decay in nuclear reactors or the Earth's crust or in particle accelerator labs.

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That is when I read about the Lawrence Livermore National Laboratory’s great success on nuclear fusion.

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Among the experiments was an effort to see if nuclear fusion, the reaction which powers the sun, could be sparked on earth in a controlled setting.

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As the white dwarf takes stellar material from the red giant, a flash of nuclear fusion is ignited, launching a nova outburst, according to the outlet.

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