The quality or degree of being fissionable.

simple past tense and past participle of fission

The act of splitting into two separate parts

present participle of fission

The process whereby one item splits to become two. / (physics) Short for nuclear fission: The process of splitting the nucleus of an atom into smaller particles.

(transitive) To cause to undergo fission. / (intransitive) To undergo fission.

plural of fission

Any fissile or fissionable substance.

Capable of undergoing nuclear fission; fissile.

Of or pertaining to fission.