Definition: In linguistics, "prepontine" is a term used to describe a type of vowel sound that occurs in certain languages. This sound is often associated with the phoneme /p/ and appears during the end of the syllable or at the beginning of a new word. The term "prepontine" was first introduced by linguist Paul S. Smith in his 1963 paper, "Vowel Sounds in American English," where he defined it as follows: A vowel
what should be said.