co;balt;ite pronunciation: variant(s): or co;balt;ine function: noun etymology: cobaltite, alteration of cobaltine, from french, from cobaltdate: 1868 : a grayish to silver-white mineral consisting of a sulfur arsenide of cobalt also containing iron and sometimes nickel and used in making smalt
0 件のコメント:
コメントを投稿