biolegydd

== Welsh == === Etymology === From bioleg (“biology”) +‎ -ydd. === Pronunciation === (North Wales) IPA(key): /ˌbɪ.ɔˈlɛɡɨ̞ð/ (South Wales) IPA(key): /ˌbi.ɔˈleːɡɪð/, /ˌbi.ɔˈlɛɡɪð/ === Noun === biolegydd m (plural biolegwyr) biologist === Mutation ===