sandarach

San"da*rach, San"da*rac, (, n. Etym: [L. sandaraca, Gr. 1. (Min.) Defn: Realgar; red sulphide of arsenic. [Archaic] 2. (Bot. Chem.) Defn: 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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