Meaning of fission
Pronunciation: (fish'un), [key]
- the act of cleaving or splitting into parts.
- Also calledthe splitting of the nucleus of an atom into nuclei of lighter atoms, accompanied by the release of energy. Cf. fusion (def. 4).
- the division of an organism into new organisms as a process of reproduction.
- to undergo fission.
- to cause to undergo fission.
- fission (Thesaurus)