plural fusions
1
: a combination or mixture of things
a fusion of different methods
a fusion of musical styles
The show is a fusion of news and entertainment.
The fusion of different cultural influences is evident in her sculpture.
2
physics
: a process in which the nuclei of atoms are joined
a fusion reactor/reaction
Note: A large amount of energy is released when fusion occurs.
called also nuclear fusion
3
: a type of popular music that combines different styles (such as jazz and rock)
4
: food prepared by combining methods and ingredients from different areas of the world
called also fusion cuisine
Cite this Entry
“Fusion.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/fusion. Accessed 20 Jun. 2026.
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