English Etymology From hydrogen + -ous. Pronunciation (General American) IPA(key): /haɪˈdɹɑd͡ʒənəs/ (Received Pronunciation) IPA(key): /haɪˈdɹɒdʒənəs/ Rhymes: -ɒdʒɪnəs Adjective hydrogenous of, related to, or containing hydrogen Translations containing hydrogen French: hydrogénique (fr) German: wasserstoffhaltig (de) Irish: hidrigineach Italian: idrogenico (it) Polish: wodorowy (pl) Wikiwand - on Seamless Wikipedia browsing. On steroids.