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.

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1791.  Hamilton, Berthollet’s Dyeing, I. I. I. v. 85. Benzoic acid, or salt of benzoin.

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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.

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1830.  Lindley, Nat. Syst. Bot., 303. The fragrance of some grasses … depends, according to Vögel, upon the presence of Benzoic acid.

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