scissiparity

from The Collaborative International Dictionary of English v.0.48

Scissiparity \Scis`si*par"i*ty\, n. [L. scissus (p. p. of
   scindere to split) + parere to bring forth: cf. F.
   scissiparit['e].] (Biol.)
   Reproduction by fission.
   [1913 Webster]