A name given from early times to the protosulphates of copper, iron, and zinc (distinguished as blue… generically or vaguely. Obsolete.
单词 | θ69071 |
释义 | the world > matter > chemistry > elements and compounds > metals > specific elements > sulphur > [noun] > compounds > sulphates > of copperas (3) copperasc1440 A name given from early times to the protosulphates of copper, iron, and zinc (distinguished as blue… generically or vaguely. Obsolete. German vitriol1576 a mixture of iron and copper sulphates; (also) †concentrated sulphuric acid (obsolete). vitriolica1684 A vitriolic substance. Obsolete. rare. |
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