heterogeneous

mastery
UK /ˌhɛt.(ə.)ɹəˈd͡ʒiː.nɪəs/ US /ˌhɛt.(ə.)ɹəˈd͡ʒiː.ni.əs/adj

card 1 of 10 · context meaning

Which meaning best matches the usage of 'heterogeneous' in the sentence?

He had a large and heterogeneous collection of books.