Meaning of the word "nuclear fusion" in English

What does "nuclear fusion" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

nuclear fusion

US /ˌnuː.klɪər ˈfjuː.ʒən/
UK /ˌnuː.klɪər ˈfjuː.ʒən/
"nuclear fusion" picture

Noun

1.

a nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy.

Example:
Scientists are working to harness nuclear fusion as a clean energy source.
The sun's energy is produced through nuclear fusion.
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