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Holophane

[hol-uh-feyn, hoh-luh-]
Trademark.
  1. a brand of glass having a surface pattern of small, lenslike areas for even diffusion of light.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for holophane

Historical Examples

  • This may be made of ground glass, opal glass, or be a dioptric globe such as the holophane.

    Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 6

    Various