1. Reproduction of some unicellular organisms by division of the cell into two more or less equal parts
   "The rapid fission of bacteria allows them to multiply quickly under favourable conditions"
    
2. A nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy
   "Nuclear fission is the process used in nuclear power plants to generate electricity";
   - nuclear fission

1. Undergo fission; cause to fission
   "The uranium atoms fission when bombarded with neutrons"

Derived forms: fissioned, fissioning, fissions

Type of: agamogenesis, asexual reproduction, nuclear reaction

Encyclopedia: Fission