fusion

Pronunciation

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