A voiced bilabial trill is a type of consonantal sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents the sound is , a small capital letter b.
Features Features of a voiced bilabial trill:
Occurrence Plain
+ Occurrences of in various languages Language Word IPA Meaning Notes Damin pr2уuu 'branch'Can either be single pr or doubled pr2 depending on the word Dongo bbo̍ 'two' Phonemic. Contrasts with .Isthmus Zapotec Kilmeri 'blossom' Komi-PermyakWichmann, Yrjö; Uotila, T. E. (1942). Syrjänischer Wortschatz nebst Hauptzügen der Formenlehre. Helsinki: Suomalais-Ugrilainen Seura. 'dung beetle'Generally paralinguistic. Apart from interjections, is the only lexeme this sound is found in. Kwomtari 'to hit' Lizu 'bean'Syllabic; allophone of after initial . Medumba 'dog'Min ChineseLei牛'ox' or 'cow'Appearing in elderly accents. A variant of /b/ before /u/. Similar words include "梅" (plum) and "肥" (fat). Ngwe Lebang dialect 'ash' Pirahã 'evil spirit' Allophone of before Pumi 'to dig'Syllabic; allophone of after . Sko 'pig'
Prenasalized
+ Occurrences of in various languages Language Word IPA Meaning Notes Ahamb 'pig' Phonemic; contrasts between and . Kele 'face' May occur in other languages of the Admiralty Islands.Kilmeri 'rain' Titan 'wooden plate' Unua 'pig'
Prestopped trills and stops with trill release These are treated as single segments. For stop–trill consonant clusters, see the table. Language Word IPA Meaning Notes Namuyi 'to slaughter' is classified as an allophone of following in the phonemic analysis of , and . Phonemic according to , occurring before or as a syllabic consonant; the trill components may be voiceless when preceded by voiceless plosives. No bilabial trills are present in the phonemic analysis of .'wild' 'to deliver' surname Sangtam. 'hip joint' Word-medial realization of phonemic , contrasts with aspirated .
Phonology In many of the languages in which the bilabial trill occurs, it occurs only as part of a prenasalized bilabial stop with trilled release, . That developed historically from a prenasalized stop before a relatively high back vowel like . In such instances, the sounds are usually still limited to the environment of a following . However, the trills in Mangbetu may precede any vowelSee, e.g., among the numerous data of Robert G. McKee's "Concerning Meegye and Mangbetu’s bilabial trills," in Advances in Nilo-Saharan Linguistics: Proceedings of the 8th Nilo-Saharan Linguistics Colloquium, University of Hamburg, August 22–25, 2001, Doris L. Payne & Mechthild Reh (eds.), 181–189 (2007, Rüdiger Köppe Verlag, Cologne). and are sometimes preceded by only a nasal.
See also Index of phonetics articles Voiceless bilabial trill
Notes
References
External links
Oro Win recordings