het ‧ e ‧ ro ‧ ge ‧ ne ‧ ous /ˌhet ə rəʊˈdʒiːniəs $ -roʊ-/ BrE AmE ( also het‧e‧rog‧e‧nous /ˌhetəˈrɒdʒənəs◂ $ -ˈrɑː-/) adjective formal
[ Date: 1600-1700 ; Language: Medieval Latin ; Origin: heterogeneus , from Greek , from hetero- ( ⇨ ↑ hetero- ) + genos 'type' ]
consisting of parts or members that are very different from each other OPP homogeneous :
a heterogeneous collection of buildings
—heterogeneously adverb
—heterogeneity /ˌhet ə rəʊdʒəˈniːəti, ˌhet ə rəʊdʒɪˈniːəti $ -roʊ-/ noun [uncountable]