to represent sounds in written phonetic or phonemic symbols
a speech sound produced without occluding, diverting, or obstructing the flow of air from the lungs
the degree of obstruction or the type of channel imposed upon the passage of air at a given place of articulation like stop, fricative, nasal, semivowel
the phonetic symbol ?
produced with the lips close together or touching
articulated so that the breath passes on either or both sides of the tongue, as l