Artificial intelligent assistant

bell-glass

bell-glass
  (ˈbɛlˌglɑːs, -æ-)
  [f. bell n.1 + glass.]
  A bell-shaped glass vessel or cover, used chiefly for the protection of plants.

1682 Wheler Journ. Greece ii. 193 A large square Room..covered with a Cuppalo, thorough which the Light is let by Bell-glasses. 1737 Miller Gard. Dict. s.v. Lupulus, When they..put Bell-glasses over their Cauliflowers. 1809 Allen & Pepys in Phil. Trans. XCIX. 413 We placed a Guinea pig upon it, with the bell-glass over him. 1851 Glenny Handbk. Fl.-gard. 36 Cuttings may be planted..and covered by a bell-glass.

Oxford English Dictionary

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