| 单词 | cobalt-bloom |
| 释义 | > as lemmascobalt-bloom cobalt-bloom n. [German kobalt-blüthe] a native hydrated arsenate of cobalt, also called erythrite n., occurring in two forms, crystalline and earthy. ΚΠ a1773 G. Edwards Elements Fossilogy (1776) 100 Cobalt earth..of a red colour.. named cobalt bloom. 1863–72 H. Watts Dict. Chem. I. 1057 Earthy cobalt-bloom, of peach-blossom colour, is arsenate of cobalt with free arsenious acid. < as lemmas |
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