glass having a red color resulting from the addition of gold, copper, or selenium to the batch.
any glass of a dark red color.
George GlassRead more in this article about some frequently asked questions and fun facts related to our definitions.
Origin of ruby glass
First recorded in 1790–1800
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for ruby glass
glass that has a deep rich red colour produced from oxides of various minerals, such as lead, copper, and iron
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012