Liabalization

The liabalization is a secondary feature of Articulation of the sounds of a language, generally used for the Consonne S. liabalization, in simple terms, rests on the use of the lips like secondary device of articulation, while the remainder of the mouth produces another Phonème.

Although liabalization is not in any universal way among the languages of the world, it is however extremely widespread. It appears in families as varied as the Langues of the North-East of the Caucasus, the Langues athapascanes, salish, sahaptian and, according to a diachronic prospect , where it is thought that the Indo-European Proto-language made use of velar consonants labialized. The Greek language mycénienne appears also to have used it.

Three modes of district of the lips exist in the American English: coward, tended and absent. The loose district is used in HS , CH , R , and J . The tended district is used to create the sound W . For L , the district is absent. This information is in particular very useful for the people whose English is not the native tongue, and who use other articulatory muscles for the emission of these sounds. For example, it is possible to learn the difference between " r" and " l" while involving themselves to round the lips correctly and with positioning its language well.

The district of the lips constitutes certainly the most common mode of liabalization, but it is not only. One for example found the types of articulation labial following, which constitute various modes of realization of liabalization:

labial District, with or without protrusion of the lips (found in the language Navajo)
labiodental Friction (found in the Abkhazian language )
Friction bilabial (found in the language oubykh)
Trille bilabial (found in the language oubykh)
Plosion bilabial (found in the language oubykh)

Liabalization also refers to a specific type of process of assimilation by which a given sound becomes labialized thanks to the influence of close labial sounds.

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