Definition of vitrescent in English:

vitrescent

Pronunciation /vəˈtres(ə)nt/ /vəˈtrɛs(ə)nt/

adjective

rare
  • Capable of or susceptible to being turned into glass.

    ‘the tartar is rendered more vitrescent by the borax’
    • ‘Lighter shades of bricks, including for instance gray and ivory, have been shown to produce more of a greenish vitrescent marking.’
    • ‘The quality or state of being vitreous; glassiness, or the quality of being vitrescent; capability of conversion into glass; susceptibility of being formed into glass.’

Origin

Mid 18th century from Latin vitrum ‘glass’+ -escent.