diplokaryon

dip·lo·kar·y·on

(dip'lō-kar'ē-on), A cell nucleus containing four haploid sets; that is, a tetraploid nucleus.
See also: polyploidy.
[diplo- + G. karyon, nut (nucleus)]

diplokaryon

(dĭp″lō-kăr′ē-ŏn) [″ + karyon, nucleus] A diploid nucleus.