glass that has a deep rich red colour produced from oxides of various minerals, such as lead, copper, and iron
ruby glass in American English
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
Word origin
[1790–1800]This word is first recorded in the period 1790–1800. Other words that entered Englishat around the same time include: cannibalism, cutout, gelatin, ideology, silhouette
Examples of 'ruby glass' in a sentence
ruby glass
Although he has fine examples of unadorned silver and gold, he also has a passion for porcelain and ruby glass with silver-gilt mounts.