Source : Webster's Revised Unabridged Dictionary (1913)

Karyomiton \Kar`y*om"i*ton\, n. [NL., Gr. (?) a nut + (?) a
   thread.] (Biol.)
   The reticular network of fine fibers, of which the nucleus of
   a cell is in part composed; -- in opposition to kytomiton, or
   the network in the body of the cell. --W. Flemming.