1.Previous
3.Next

median (the air escapes along the middle of the tongue), oral (at least some of the airflow must escape through the mouth), frictionless and continuant. There is no significant build-up of air pressure at any point above the glottis. This contrasts with consonants, such as the English "sh" , which have a constriction or closure at some point along the vocal tract.
*In the phonological definition,

1.Previous
3.Next