prebilabial

== English == === Etymology === From pre- + bilabial. === Pronunciation === (Received Pronunciation) IPA(key): /ˌpɹiːbaɪˈleɪbɪəl/ (General American) IPA(key): /ˌpɹiːbaɪˈleɪbiəl/ === Adjective === prebilabial (not comparable) (of a speech sound) Occurring immediately before a bilabial consonant, i.e. before /m/, /p/, /b/, /ɸ/, /β/, /β̞/, /ʙ/, or /ʘ/.