Copper calcined with brimstone or white vitriol, used to colour glass.
| 单词 | θ68681 |
| 释义 | the world > matter > chemistry > elements and compounds > metals > specific elements > copper > [noun] > compounds (2) ferretto1662 Copper calcined with brimstone or white vitriol, used to colour glass. burnt copper1790 That has been treated with fire for a specific purpose. Calcined or treated by fire for use as a drug, pigment, etc., as burnt alum, burnt carmine, b… |
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