bilabial stop

{{Redirect-distinguish2|Labial stop|a labiodental stop}}

In phonetics and phonology, a bilabial stop is a type of consonantal sound, made with both lips (hence bilabial), held tightly enough to block the passage of air (hence a stop consonant). The most common sounds are the stops {{IPA|[p]}} and {{IPA|[b]}}, as in English pit and bit, and the voiced nasal {{IPA|[m]}}. {{Cite book|title=An Introduction to English Phonetics|last=Ogden|first=Richard|date=2017|publisher=Edinburgh University Press|isbn=9781474411752|jstor=10.3366/j.ctt1g0b2j9}} More generally, several kinds are distinguished:

• {{IPA|[p]}}, voiceless bilabial plosive{{Cite web|url=https://home.cc.umanitoba.ca/~krussll/phonetics/articulation/describing-consonants.html|title=Describing consonants|website=home.cc.umanitoba.ca|access-date=2019-04-08}}
• {{IPA|[b]}}, voiced bilabial plosive
• {{IPA|[m]}}, voiced bilabial nasal
• {{IPA|[m̥]}}, voiceless bilabial nasal
• {{IPA|[ɓ]}}, voiced bilabial implosive
• {{IPA|[pʼ]}}, bilabial ejective (rare)
• {{IPA|[ɓ̥]}} or {{IPA|[pʼ↓]}}, voiceless bilabial implosive (very rare)