Mineralogy. More fully red lead of Siberia, Siberian red lead. = red lead ore, n. Now historical.
| 单词 | θ7234 |
| 释义 | the world > the earth > minerals > types of mineral > chromates > [noun] > lead chromate (4) red lead of Siberia1788 Mineralogy. More fully red lead of Siberia, Siberian red lead. = red lead ore, n. Now historical. red lead ore1788 = crocoite, n. Cf. red lead, n. 2. melanochroite1835 = phoenicochroite, n. phoenicochroite1849 A mineral of the monoclinic crystal system which consists of an oxide of lead and chromium, Pb2CrO5, and occurs as dark red masses. |
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