a bomb in which the energy is supplied by nuclear fission See atomic bomb
- Fission fungi
fission fungi pl.n. See Schizomycetes.
- Fission-fusion bomb
noun 1. another name for fusion bomb
- Fission product
noun 1. a nuclide produced either directly by nuclear fission or by the radioactive decay of such a nuclide fission product n. A usually radioactive isotope produced as a result of the fission of a massive atom such as U235.
- Fission reactor
noun 1. a nuclear reactor in which a fission reaction takes place