Re-āl'gar, n.
n. [Fr. réalgar, réalgal, Sp. réjalgar, Pg. rosalgar, It. realgar, risigallo, risagallo, N. Lat. risigallum.] (Min.) A combination of sulphur and arsenic, of a brilliant red color as existing in nature; red orpiment.
n. [Fr. réalgar, réalgal, Sp. réjalgar, Pg. rosalgar, It. realgar, risigallo, risagallo, N. Lat. risigallum.] (Min.) A combination of sulphur and arsenic, of a brilliant red color as existing in nature; red orpiment.