rheoliaduron

== Welsh == === Pronunciation === (North Wales) IPA(key): /ˌr̥ɛ.ɔljaˈdɨ̞rɔn/ (South Wales) IPA(key): /ˌr̥ɛ.ɔljaˈdiːrɔn/, /ˌr̥ɛ.ɔljaˈdɪrɔn/ === Noun === rheoliaduron m pl plural of rheoliadur === Mutation ===