Artificial intelligent assistant

vitrean

ˈvitrean, a. Obs. rare.
  [f. L. vitre-us vitreous + -an.]
  Of or resembling glass.

1656 Blount Glossogr., Vitrean, Vitrine,..belonging to Glass, glassie, glassie-green; clear like glass, or resembling glass. 1778 W. Pryce Min. Cornub. 60 Vitrean Ore of an irregular figure.

Oxford English Dictionary

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