Source : Webster's Revised Unabridged Dictionary (1913)

Karyokinetic \Kar`y*o*ki*net"ic\, a. (Biol.)
   Of or pertaining to karyokinesis; as, karyokinetic changes of
   cell division.

Source : WordNet®

karyokinetic
     adj : of or relating to the division of the nucleus of a cell
           during mitosis or meiosis