英语词汇“placodine”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	placodine
释义	ˈplacodine Min. Also placodite. [ad. Ger. plakodin (A. Breithaupt 1841), f. Gr. πλακώδης flat, cake like, f. πλάξ, πλακ- tablet, cake.] A name given, on the supposition of its being a native mineral, to an arsenide of nickel, Ni₄As₂, now considered to be a furnace-product. 1856Eng. Cycl. IV. 367/2 Placodine (Arseniuret of Nickel)... Primary form an oblique rhombic prism.1886Cassell's Encycl. Dict., Placodine, placodite.
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