heterogeneity

US /ˌhet̬.ə.roʊ.dʒəˈneɪ.ə.t̬i/
UK /ˌhet̬.ə.roʊ.dʒəˈneɪ.ə.t̬i/
1.

heterogeniteit

the fact of consisting of parts or things that are very different from each other:

:
Archaeological studies of the tombs have shown the heterogeneity of religious practices in the region.