IPA: /ˌhɛtəroʊˈdʒiːnəs/
KK: /hɛtəroʊˈdʒiːnəs/
Made up of different or diverse parts or elements; not uniform or similar.
The committee was heterogeneous, with members from various backgrounds and expertise.
Heterogeneous → It is formed from "hetero-" (from Greek "heteros", meaning different) and "genus" (from Greek "genos", meaning kind or race). The word describes a composition made up of different kinds or types.
Think of 'different' ('hetero-') kinds or types ('genus') coming together — that's what heterogeneous means.