Chem. [f. ARAB-IC + -IN.] The pure soluble principle in gum arabic and similar substances. Arabinose, the sugar derived from arabin. Hence Arabinic, Arabinosic a.
1840. Pereira, Mat. Med., II. 1150. Soluble Gum or Arabin.
1854. Balfour, Bot., 29. Arabine, soluble in cold water, constituting the chief ingredient of gum-arabic.
