glass_over
1. [ verb ] become glassy or take on a glass-like appearance
Synonyms: glaze glaze_over glass
Examples:

"Her eyes glaze over when she is bored"

Related terms: change
Similar spelling:   gloss_over
  glaze_over
  glassblower
  glass_fiber
  glass_fibre
  glass_sponge
  Glassford
  Glassburn
  Glasper