fusion

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Nuclear fusion

Pronunciation

• enPR: fyōō’-zhən, IPA ^(key): /ˈfjuː.ʒən/

• Audio (UK)

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• SAMPA: /"fju:.Z@n/

Noun

Singular fusion

Plural fusions

1. (uncountable) Fusion is when two or more things come together as one.
   • Synonyms: blend and merger
2. (uncountable), (physics) In physics, nuclear fusion is when the nuclei of two or more atoms come together to make one new, heavier nucleus.

   Fusion reactions make a lot of energy.

Related words

• fuse
• fusional