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jeweller's rouge
noun
- a finely powdered form of ferric oxide used as a metal polish Also calledcrocus See also colcothar
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Example Sentences
The best jewellers rouge is prepared by calcining the precipitated oxide until it becomes scarlet.
From Project Gutenberg
For gold, the form of red oxide of iron, known as Jewellers Rouge, is the most useful and appropriate.
From Project Gutenberg
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