Definition of gallic acid in English:

gallic acid

nounˈɡalɪkˈɡôlik

mass nounChemistry

An acid extracted from oak galls and other vegetable products, formerly used in making ink.
〔化〕棓酸，五倍子酸，没食子酸
Alternative name: 3,4,5-trihydroxybenzoic acid; chemical formula: C₆H₂(OH)₃COOH
Example sentencesExamples
- By washing the paper with a solution of gallic acid after the exposure, he produced a developed-out image.
- Modern compositions use other unstable, albeit somewhat less hazardous, aromatic compounds such as gallic acid or the salts of aromatic acids including sodium salicylate and potassium benzoate.
- The paper was then treated with gallic acid and then silver nitrate again.
- Pyrogallol, tannic acid, and gallic acid were obtained from Zhunyi Reagents (Guizou, China).
- Then, the paper is floated on a mixture containing silver nitrate and gallic acid.

Origin

Late 18th century: gallic from Latin galla 'oak gall' (see gall³) + -ic.

Definition of gallic acid in US English:

gallic acid

nounˈɡôlik

Chemistry

An acid extracted from oak galls and other vegetable products, formerly used in making ink.
〔化〕棓酸，五倍子酸，没食子酸
Alternative name: 3, 4, 5-trihydroxybenzoic acid; chemical formula: C₆H₂(OH)₃COOH
Example sentencesExamples
- Modern compositions use other unstable, albeit somewhat less hazardous, aromatic compounds such as gallic acid or the salts of aromatic acids including sodium salicylate and potassium benzoate.
- Pyrogallol, tannic acid, and gallic acid were obtained from Zhunyi Reagents (Guizou, China).
- Then, the paper is floated on a mixture containing silver nitrate and gallic acid.
- By washing the paper with a solution of gallic acid after the exposure, he produced a developed-out image.
- The paper was then treated with gallic acid and then silver nitrate again.

Origin

Late 18th century: gallic from Latin galla ‘oak gall’ (see gall) + -ic.

词汇	gallic acid
释义	Definition of gallic acid in English: gallic acid nounˈɡalɪkˈɡôlik mass nounChemistry An acid extracted from oak galls and other vegetable products, formerly used in making ink. 〔化〕棓酸，五倍子酸，没食子酸 Alternative name: 3,4,5-trihydroxybenzoic acid; chemical formula: C₆H₂(OH)₃COOH Example sentencesExamples By washing the paper with a solution of gallic acid after the exposure, he produced a developed-out image. Modern compositions use other unstable, albeit somewhat less hazardous, aromatic compounds such as gallic acid or the salts of aromatic acids including sodium salicylate and potassium benzoate. The paper was then treated with gallic acid and then silver nitrate again. Pyrogallol, tannic acid, and gallic acid were obtained from Zhunyi Reagents (Guizou, China). Then, the paper is floated on a mixture containing silver nitrate and gallic acid. Origin Late 18th century: gallic from Latin galla 'oak gall' (see gall³) + -ic. Definition of gallic acid in US English: gallic acid nounˈɡôlik Chemistry An acid extracted from oak galls and other vegetable products, formerly used in making ink. 〔化〕棓酸，五倍子酸，没食子酸 Alternative name: 3, 4, 5-trihydroxybenzoic acid; chemical formula: C₆H₂(OH)₃COOH Example sentencesExamples Modern compositions use other unstable, albeit somewhat less hazardous, aromatic compounds such as gallic acid or the salts of aromatic acids including sodium salicylate and potassium benzoate. Pyrogallol, tannic acid, and gallic acid were obtained from Zhunyi Reagents (Guizou, China). Then, the paper is floated on a mixture containing silver nitrate and gallic acid. By washing the paper with a solution of gallic acid after the exposure, he produced a developed-out image. The paper was then treated with gallic acid and then silver nitrate again. Origin Late 18th century: gallic from Latin galla ‘oak gall’ (see gall) + -ic.
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