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vita-glass

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noun vi·ta-glass \ ˈvī-tə-ˌglas \
variants: or less commonly vita play \ˈvī-tə\

Definition of vita-glass

:glass that does not obstruct ultraviolet rays
  • The aluminium blinds shot up, and the sun poured in through the vita-glass, filling the room with beneficent rays.
  • —Evelyn Waugh,  Decline And Fall,  1928

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