blue copper
now rare
noun
1= azurite (also blue copper ore).
2= covelline.
Origin
Early 18th century; earliest use found in John Woodward (d. 1728), physician, natural historian, and antiquary.
| 单词 | blue copper |
| 释义 | blue coppernow rare noun 1= azurite (also blue copper ore). 2= covelline. Origin |
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