Breadcrumb Home > Dictionary > Index R ruby glass: Meaning and Definition of Find definitions for: ru'by glass" Pronunciation: [key] glass having a red color resulting from the addition of gold, copper, or selenium to the batch. any glass of a dark red color. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ruby-crowned kinglet ruby silver TrendingHere are the facts and trivia that people are buzzing about. Did Birds Evolve from Dinosaurs? The Twelve Dancing Princesses Current Events This Week: January 2023 African Americans by the Numbers Andersen's Fairy Tales: Contents The Celtic Twilight: A Teller of Tales ✖ Related Content Daily Word Quiz: hubris Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language