Holophane

[ hol-uh-feyn, hoh-luh- ]
/ ˈhɒl əˌfeɪn, ˈhoʊ lə- /

Trademark.

a brand of glass having a surface pattern of small, lenslike areas for even diffusion of light.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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