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单词 earthy cobalt
释义

> as lemmas

earthy cobalt
b. The name was originally given to the ores of this metal, and is still applied, with or without defining words, to various native compounds, as tin-white cobalt = smaltine n., CoAs2; grey cobalt., silver-white cobalt. = cobalt-glance n. at Compounds 2; red cobalt = cobalt-bloom n., cobalt-vitriol n. at Compounds 2; earthy cobalt. = asbolan n.
ΚΠ
1683 J. Pettus Fleta Minor (1686) i. 34 Concerning the Cobolt oars, there are many sorts of them.]
1728 J. Woodward Fossils All Kinds 43 Cobalt is plentifully impregnated with arsenick; contains copper and some silver. Being sublimed, the flores are of a blue colour: these, German mineralists call zaffir.
1738 G. Smith Curious Relations II. 440 Zink, Kobold, Sleat, and other Productions of the Mines.
1748 J. Hill Gen. Nat. Hist. I. (J.) From cobalt are produced the three sorts of arsenick, white, yellow, and red; as also zaffre and smalt.
1800 tr. E. J. B. Bouillon-Lagrange Man. Course Chem. I. 397 A kind of cobalt, or arsenic mixed with copper.
extracted from cobaltn.
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as lemmas
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