Strass vs Trass - What's the difference?
strass | trass |
A brilliant glass, used in the manufacture of artificial paste gemstones, consisting essentially of a complex borosilicate of lead and potassium.
(Webster 1913)
English eponyms
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(geology) A white to grey volcanic tufa, formed of decomposed trachytic cinders, sometimes used as a cement.
A coarse sort of plaster or mortar, durable in water, and used to line cisterns and other reservoirs of water.
(Webster 1913)