The Labiodental consonant reference article from the English Wikipedia on 24-Apr-2004
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Labiodental consonant

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Labiodentals are consonants articulated with the lower lips and the upper teeth, or viceversa.

The labiodental consonants identified by the International Phonetic Alphabet are:

IPA Symbol Name Example Meaning
ɱ labiodental nasal English [kʰæɱfɚ] camphor 1
f Voiceless labiodental fricative English [fæst] fast
v Voiced labiodental fricative English [væst] vast
ʋ labiodental approximant Dutch [ʋɑŋ] wang (="cheek")

Notes:

  1. [ɱ] is not a separate phoneme in English, but an allophone of [m] that occurs before [v] and [f].

See also