In
phonetics
Phonetics is a branch of linguistics that studies how humans produce and perceive sounds, or in the case of sign languages, the equivalent aspects of sign. Linguists who specialize in studying the physical properties of speech are phoneticians. ...
, a bilabial consonant is a
labial consonant
Labial consonants are consonants in which one or both lips are the active articulator. The two common labial articulations are bilabials, articulated using both lips, and labiodentals, articulated with the lower lip against the upper teeth, bot ...
articulated
An articulated vehicle is a vehicle which has a permanent or semi-permanent pivot joint in its construction, allowing it to turn more sharply. There are many kinds, from heavy equipment to buses, trams and trains. Steam locomotives were someti ...
with both
lip
The lips are the visible body part at the mouth of many animals, including humans. Lips are soft, movable, and serve as the opening for food intake and in the articulation of sound and speech. Human lips are a tactile sensory organ, and can be ...
s.
Frequency
Bilabial consonants are very common across languages. Only around 0.7% of the world's languages lack bilabial consonants altogether, including
Tlingit
The Tlingit ( or ; also spelled Tlinkit) are indigenous peoples of the Pacific Northwest Coast of North America. Their language is the Tlingit language (natively , pronounced ), ,
Chipewyan
The Chipewyan ( , also called ''Denésoliné'' or ''Dënesųłı̨né'' or ''Dënë Sųłınë́'', meaning "the original/real people") are a Dene Indigenous Canadian people of the Athabaskan language family, whose ancestors are identified ...
,
Oneida
Oneida may refer to:
Native American/First Nations
* Oneida people, a Native American/First Nations people and one of the five founding nations of the Iroquois Confederacy
* Oneida language
* Oneida Indian Nation, based in New York
* Oneida Na ...
, and
Wichita.
Varieties
The bilabial consonants identified by the
International Phonetic Alphabet
The International Phonetic Alphabet (IPA) is an alphabetic system of phonetic transcription, phonetic notation based primarily on the Latin script. It was devised by the International Phonetic Association in the late 19th century as a standa ...
(IPA) are:
Owere
Igbo
Igbo may refer to:
* Igbo people, an ethnic group of Nigeria
* Igbo language, their language
* anything related to Igboland, a cultural region in Nigeria
See also
* Ibo (disambiguation)
* Igbo mythology
* Igbo music
* Igbo art
*
* Igbo-Ukwu, a ...
has a six-way contrast among bilabial stops: .
Other varieties
The
extensions to the IPA
The Extensions to the International Phonetic Alphabet for Disordered Speech, commonly abbreviated extIPA , are a set of letters and diacritics devised by the International Clinical Phonetics and Linguistics Association to augment the Internati ...
also define a () for
smacking the lips together. A lip-smack in the non-percussive sense of the lips noisily parting would be .
[Heselwood (2013: 121)]
The
IPA chart shades out ''bilabial lateral consonants'', which is sometimes read as indicating that such sounds are not possible. The fricatives and are often lateral, but since no language makes a distinction for centrality, the allophony is not noticeable.
See also
*
Place of articulation
In articulatory phonetics, the place of articulation (also point of articulation) of a consonant is a location along the vocal tract where its production occurs. It is a point where a constriction is made between an active and a passive articula ...
*
Index of phonetics articles
A
* Acoustic phonetics
* Active articulator
* Affricate
* Airstream mechanism
* Alexander John Ellis
* Alexander Melville Bell
* Alfred C. Gimson
* Allophone
* Alveolar approximant ()
* Alveolar click ()
* Alveolar consonant
* Alveolar ejecti ...
References
Citations
Sources
; General references
*
* McDorman, Richard E. (1999). ''Labial Instability in Sound Change: Explanations for the Loss of /p/'l. H'. Chicago: Organizational Knowledge Press. .
Place of articulation
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