| realgar | <chemical> Arsenic sulphide, a mineral of a brilliant red colour; red orpiment. It is also an artificial product. Origin: F. Realgar, Sp. Rejalgar, Ar. Rahj al ghar powder of the mine. Source: Websters Dictionary (01 Mar 1998) |
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| realgar |
a rare soft orange mineral consisting of arsenic sulphide; an important ore of arsenic
Ãâó: wordnet.princeton.edu/perl/webwn
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| realgar | a rare soft orange mineral consisting of arsenic sulphide |
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