(definition) by Webster 1913 Wed Dec 22 1999 at 2:29:21

Re*al"gar (?), n. [F. r'ealgar, Sp. rejalgar, Ar. rahj al ghar powder of the mine.] Min.

Arsenic sulphide, a mineral of a brilliant red color; red orpiment. It is also an artificial product.

 

© Webster 1913.

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