ruby glass

noun

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

Origin of ruby glass

First recorded in 1790–1800

Words nearby ruby glass

rubrospinal decussation, rubrum lily, rubstone, rubtsovsk, ruby, ruby glass, ruby laser, ruby silver, ruby spinel, ruby-crowned kinglet, ruby-tail wasp

British Dictionary definitions for ruby glass

ruby glass

noun

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