ruby glass


: glass of a deep red color containing selenium, an oxide of copper, or a chloride of gold

Word History

First Known Use

1757, in the meaning defined above

Time Traveler
The first known use of ruby glass was in 1757

Dictionary Entries Near ruby glass

Cite this Entry

“Ruby glass.” Dictionary, Merriam-Webster, Accessed 26 May. 2024.

More from Merriam-Webster on ruby glass

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!