Bilabial Stops
In phonetics and phonology, a bilabial stop is a type of consonantal sound, made with both lips (hence bilabial consonant, bilabial), held tightly enough to block the passage of air (hence a stop consonant). The most common sounds are the stops and , as in English ''pit'' and ''bit'', and the voiced nasal . More generally, several kinds are distinguished: * , voiceless bilabial plosive * , voiced bilabial plosive * , voiced bilabial nasal * , voiceless bilabial nasal * , voiced bilabial implosive * , bilabial ejective (rare) * or , voiceless bilabial implosive (very rare) References

{{IPA navigation Bilabial stops ...
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Labiodental Stop
In phonetics, labiodentals are consonants Place of articulation, articulated with the lower lip and the upper teeth, such as and . In English, labiodentalized /s/, /z/ and /r/ are characteristic of some individuals; these may be written . Labiodental consonants in the IPA The labiodental consonants identified by the International Phonetic Alphabet are: The IPA chart shades out ''labiodental lateral consonants''. This is sometimes read as indicating that such sounds are not possible. In fact, the fricatives and often have lateral airflow, but no language makes a distinction for centrality, and the allophony is not noticeable. The IPA symbol refers to a sound occurring in Swedish language, Swedish, officially described as similar to the velar consonant, velar fricative [x], but one dialectal variant is a rounded, velarized labiodental, less ambiguously rendered as . The labiodental click is an allophonic variant of the (bi)labial click. Occurrence The only common labiodenta ...
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