Importance or centrality of a particular region with respect to cultural development.
The fact or condition of being a nuclear family; the degree of nuclearization of families.
In complexes containing clusters of atoms: the property of having a (specified) number of nuclei.
The property of having cell nuclei (rare); state or condition with respect to the number of nuclei present per cell.
1920s (in an earlier sense). From nuclear + -ity.