a. Chem. [f. BENZO-IN + -IC. (The first of the chemical terms so formed.)] Of or derived from benzoin; as Benzoic acid, C7 H6 O2 (= C6 H5.CO.OH), a monobasic acid of the Aromatic series, existing in large quantity in gum benzoin, from which it was at first prepared.
1791. Hamilton, Berthollets Dyeing, I. I. I. v. 85. Benzoic acid, or salt of benzoin.
1819. J. Children, Chem. Anal., 274. Benzoic acid, formed from gum benzoin, is solid, white, and slightly ductile it crystallizes in long white opaque prisms, with a satiny lustre.
1830. Lindley, Nat. Syst. Bot., 303. The fragrance of some grasses depends, according to Vögel, upon the presence of Benzoic acid.