Artificial intelligent assistant

gypsine

ˈgypsine, a. Obs. rare—1.
  [f. gyps-um + -ine.]
  = gypseous.

1695 Phil. Trans. XIX. 151 It makes a glittering shew, being built of Gypsine Stone, or Rock-Ising-glass, resembling alabaster. 1753 in Chambers Cycl. Supp.


Oxford English Dictionary

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