We don't have synonyms for diasters yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are disaster, plasters and piaster.
(n) :
(biology) A double star; applied to the nucleus of a cell, when, during cell division, the loops of the nuclear network separate into two groups, preparatory to the formation of two daughter nuclei.
(n) :
(biology) A double star; applied to the nucleus of a cell, when, during cell division, the loops of the nuclear network separate into two groups, preparatory to the formation of two daughter nuclei.