Voiced labiodental plosive

Voiced labiodental plosive
b̪
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The voiced labiodental stop is a sound used in some spoken languages. The symbol in the International Phonetic Alphabet is ⟨b̪⟩. It is not phonemic in English, as in subversive.

Characteristics

  • The phonation is voiced. This means that the vocal cords vibrate while the sound is being pronounced.
  • The place of articulation (where the sound is produced) is labiodental. This means that this sound is produced with the lower lips and the upper teeth.
  • The manner of articulation (how the sound is produced) is stop, or plosive. This means that this sound is produced by obstructing airflow in the vocal tract. (The term plosive contrasts with nasal stops, where the blocked airflow is redirected through the nose.)

Examples

LanguageWordIPAMeaningNotes
Englishsubversive[sʌb̪ˈvɚsɪv]'subversive'Common allophone of /b/ before the labiodentals /f/ and /v/ (although it is also possible for the labiodentals to shift to bilabial [ɸ] and [β], respectively, instead). See English phonology.
Ibanagbavi[bab̪ᵛiː]ˈpig/pork'Slightly affricated; allophonic variant of /v/ for some elderly speakers, especially those who lack front teeth. May be a flap /ⱱ/ instead.
SikaAllophone of /ⱱ/ in careful pronunciation.
Slovenian/Sloveneob vodi[ob̪‿ˈʋɔ̀ːdí]'by the water'Allophone of /b/ before /f, ʋ/. See Slovene phonology.
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