ruby glass

noun

1. glass having a red color resulting from the addition of gold, copper, or selenium to the batch.
2. any glass of a dark red color.

ruby glass

noun

1. glass that has a deep rich red colour produced from oxides of various minerals, such as lead, copper, and iron

Word History and Origins

Origin of ruby glass¹

First recorded in 1790–1800

Example Sentences

Maybe human isn’t the best word to describe the characters, a race of mannequins made of ruby glass.

From The Verge

Even without the guns, bullets, and ruby glass guys, Superhot would still be a pleasurable ballet simulator, with you dodging strings of red, in a fleet footed dance.

From The Verge

Light flickered on bits of ruby glass and on sensitive capillary hairs in the nylon-brushed nostrils of the creature that quivered gently, gently, gently, its eight legs spidered under it on rubber-padded paws.

From Literature

Sixth-plate ruby glass ambrotype with applied color.

From Slate

Greenberg makes a momentary appearance in Heart of Glass — presumably un-hypnotized — as one of half a dozen figures chosen to carry the remains of the ruby glass to market, appearing alongside Herzog and a cross-section of his closest friends, many of them now long gone.

From Salon