fissionable in English
- fissionable⇄adj. capable of nuclear fission; fissile.
Ex. The element plutonium ... is highly fissionable (Willard F. Libby). - fissionable⇄fissionable, adjective, noun.
- fissionable⇄noun a fissionable atom or element.
Ex. Private exploitation of the atom was limited by a ban on patents except for nonmilitary uses of fissionables (Scientific American).