Share this entry

Share this page

nuclear fusion

Syllabification: nu·cle·ar fu·sion

Definition of nuclear fusion in English:

noun

A nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy.
Example sentences
  • At the bright end of the HR diagram, a star stops growing when so much energy is released by nuclear fusion that it can swallow no further mass from the surrounding clouds of gas and dust.
  • What is the difference between nuclear fusion and cold fusion?
  • A hydrogen bomb is a device that creates an immediate, massive release of destructive energy through unrestrained nuclear fusion - in short, it's a weapon.

Definition of nuclear fusion in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day terpsichorean
Pronunciation: ˌtərpsikəˈrēən
adjective
of or relating to dancing