Glass coloured red by the inclusion of specific impurities such as gold or metal oxides.
宝石红玻璃，红宝石玻璃
Example sentencesExamples
Even before that, the island was shrouded in legend after alchemist Johannes Kunkel tried to make gold there in the 17th century, producing ruby glass instead.
Others were ambrotypes, a related antique method in which the original plate is backed with ruby glass or some other dark material that reverses the negative image.
The art of incorporating this liquid gold into ruby glass is attributed to German glassmaker Johann Kunckel in the late seventeenth century.
Definition of ruby glass in US English:
ruby glass
noun
Glass colored red by the inclusion of specific impurities such as metal oxides or gold.
宝石红玻璃，红宝石玻璃
Example sentencesExamples
Even before that, the island was shrouded in legend after alchemist Johannes Kunkel tried to make gold there in the 17th century, producing ruby glass instead.
Others were ambrotypes, a related antique method in which the original plate is backed with ruby glass or some other dark material that reverses the negative image.
The art of incorporating this liquid gold into ruby glass is attributed to German glassmaker Johann Kunckel in the late seventeenth century.