vita-glass

noun

vi·​ta-glass ˈvī-tə-ˌglas 

variants or less commonly vita

ˈvī-tə 

: 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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