dikaryon

noun

di·​kary·​on

variants also dicaryon

(ˈ)dī-ˈkar-ē-ˌän, -ən 

1

: a pair of associated but unfused haploid nuclei of a fungus cell capable of participating in repeated cell division as separate entities prior to their ultimate fusion

2

: a cell having or a mycelium made up of cells each having a dikaryon compare homokaryon