Assertion: vowel's sound | /r/HasProperty | accompanied by strong protrusion of both lips
Facets:
value: in languages such as english
type: OTHER
Source sentences:
text: In Southern Teke, the sole language reported to have a phonemic /ɱ/, the labiodental sound is "accompanied by strong protrusion of both lips", whereas the [ɱ] found as an allophone of /m/ before /f, v/ in languages such as English is not protruded, as the lip contacts the teeth along its upper or outer edge.