Definition of Fission
Noun: fission fi-shun or fi-zhun
- Reproduction of some unicellular organisms by division of the cell into two more or less equal parts
- A nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy
- nuclear fission
- Undergo fission; cause to fission
See also:
fissility
fissionability
Anagrams containing the word fission