English

Adjective

fissionable

1. Capable of undergoing nuclear fission; fissile.

Derived terms

• fissionability

Antonyms

• nonfissionable

Translations

Noun

fissionable ‎(plural fissionables)

1. Any fissile substance.
   • 1956, Bulletin of the Atomic Scientists (volume 12, number 4, page 106)

     If one nation seized the fissionables within its borders, this would “serve as a danger signal” to other nations. The wrongdoer's gain would be short-lived because other nations would take defensive action in kind.