off-glide

[ awf-glahyd, of- ]
/ ˈɔfˌglaɪd, ˈɒf- /

noun Phonetics.

a transitional sound produced as the vocal organs move from a previous speech sound to an inactive position or to the position of a following sound. Compare on-glide.
the final, weaker part of a complex vowel, such as a diphthong, as the (i) sound of the (oi) in boy.

Origin of off-glide

First recorded in 1875–80

British Dictionary definitions for off-glide

off-glide

noun

phonetics a glide caused by the movement of the articulators away from their position in articulating the previous speech sound Compare on-glide