fis·sion·able /ˈfɪʃṇəbəl, ʒṇ; ˈfɪʃnə, ˈfɪʒ-/
  (a.)可引起核分裂的
  fis·sion·able /ˈfɪʃ(ə)nəbəl, ˈfɪʒ-/ 形容詞
  可分裂的
  fissionable
       adj : capable of undergoing nuclear fission; "a fissionable
             nucleous"; "fissionable material" [syn: fissile]
             [ant: nonfissionable]