opal glass

American  

noun

1. a translucent or opaque glass, usually of a milky white hue.

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opal glass British  

noun

1. glass that is opalescent or white, made by the addition of fluorides

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Etymology

Origin of opal glass

First recorded in 1865–70

Example Sentences

Bright morning light shone in through the four restored clock faces — perched high above the Houses of Parliament — each with 324 pieces of pot opal glass produced in Germany.

From New York Times • Jul. 3, 2022

The Carousel pendant’s ring of gunmetal or brass cylinders is tipped with opal glass diffusers.

From Washington Times • Oct. 30, 2019

Today, more than three dozen restaurants — stalwarts like Joe Allen, Orso and Becco — steal some of the spotlight from Barbetta, whose incandescent, vertical sign is made of opal glass.

From New York Times • Feb. 2, 2018

The glass which gave the smallest residual charge was an "opal" glass; and flint glasses were found to insulate 105 times as well as soda lime glasses.

From On Laboratory Arts by Threlfall, Richard

They are sometimes naked, but as a rule their brightness is tempered by globes of ground or opal glass.

From The Story of Electricity by Munro, John