diplotene

from WordNet (r) 3.0 (2006)

diplotene
    n 1: the fourth stage of the prophase of meiosis

from The Collaborative International Dictionary of English v.0.48

diplotene \diplotene\ n. (Cell biol.)
   the fourth stage of the prophase of meiosis, when the paired
   chromosomes being to separate. This stage follows the
   {pachytene}.
   [WordNet 1.5 +PJC]