San·da·rach, San·da·rac, n.
1. Min. Realgar; red sulphide of arsenic. [Archaic]
2. Bot. Chem. A white or yellow resin obtained from a Barbary tree (Callitris quadrivalvis or Thuya articulata), and pulverized for pounce; -- probably so called from a resemblance to the mineral.
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