Definition of off-glide in English:

off-glide

noun

Phonetics
  • A glide produced just following the articulation of another speech sound.

    Compare with on-glide
    • ‘In most contemporary dialects, it's a diphthong with a high front off-glide, so you might take it as mixed on the hot-or-not dimension.’
    • ‘There are many dialects of English that fully vocalize syllable-final/l /, turning it into a high back off-glide, and for speakers of these dialects, vows and vowels have merged phonologically.’

Pronunciation:

off-glide

/ˈôfˌɡlīd/