fissiparous adj 1: reproducing by fission 2: having separated or advocating separation from another entity or policy or attitude; "a breakaway faction" [syn: {breakaway}, {fissiparous}, {separatist}]
Fissiparous \Fis*sip"a*rous\, a. [L. fissus (p. p. of findere to split) + parere to bring forth: cf. F. fissipare.] (Biol.) Reproducing by spontaneous fission. See {Fission}. -- {Fis*sip"a*rous*ly}, adv. [1913 Webster]