fissionable

UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/ˈfɪʃnəbl/US:USA pronunciation: respellingUSA pronunciation: respelling(fish′ə nə bəl)


WordReference Random House Unabridged Dictionary of American English © 2026
fis•sion•a•ble  (fish′ə nə bəl),USA pronunciation adj. [Physics.]
  1. Physicscapable of or possessing a nucleus or nuclei capable of undergoing fission:a fissionable nucleus; fissionable material.Also, fissile. 
  • fission + -able 1940–45
fis′sion•a•bil′i•ty, n. 

'fissionable' also found in these entries (note: many are not synonyms or translations):
breeder reactor - converter reactor - criticality - critical mass - fast-breeder reactor - atomic bomb - conversion ratio - core - critical - denature - fissile - lattice - uranium 238

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