Lexic.us

Definition of Tannic acid

1. Noun. Any of various complex phenolic substances of plant origin; used in tanning and in medicine.

Definition of Tannic acid

1. Noun. (chemistry) any of various complex phenols extracted from the bark or galls of trees; used in tanning ¹

¹ Source: wiktionary.com

Medical Definition of Tannic acid

1. Penta (m digalloyl) glucose or any soluble tannin, used in electron microscopy to enhance the contrast. Addition of tannic acid to fixatives greatly improves, for example: the image obtained of tubulin sub units in the microtubule or the HMM decoration of microfilaments. (19 Jan 1998)

Lexicographical Neighbors of Tannic Acid

Literary usage of Tannic acid

Below you will find example usage of this term as found in modern and/or classical literature:

1. Journal by Chartered Insurance Institute (1897)
"The author measured the amount of tannic acid solution which was forced through hide by an electric current, the hide being in the condition in which it is ..."

2. The Encyclopedia Americana: A Library of Universal Knowledge (1920)
"With pure ferrous salts aqueous solutions of tannic acid give no coloration at first, but a color is soon developed by atmospheric oxidation and a blue- ..."

3. The Encyclopedia Americana: A Library of Universal Knowledge (1920)
"With pure ferrous salts aqueous solutions of tannic acid give no ... Cold alkaline solutions of tannic acid absorb atmospheric oxygen very readily, ..."

4. A Textbook of Pharmacology and Therapeutics: Or, The Action of Drugs in by Arthur Robertson Cushny (1906)
"VEGETABLE ASTRINGENTS — tannic acid SERIES. A large number of vegetable substances owe their action to their containing tannin substances, while in many ..."

5. A Textbook of Pharmacology and Therapeutics by Arthur Robertson Cushny (1903)
"VII* VEGETABLE ASTRINGENTS — tannic acid SERIES. A large number of vegetable substances owe their action to their containing tannin substances, ..."

6. A Textbook of Pharmacology and Therapeutics, Or, the Action of Drugs in by Arthur Robertson Cushny (1915)
"Some of them contain a sugar, and tannin or tannic acid is therefore sometimes said ... If tannic acid solution be added to a neutral solution of albumin or ..."

7. A Textbook of pharmacology and therapeutics, or, the Action of drugs in by Arthur Robertson Cushny (1910)
"Gallic acid is formed from a large number of other bodies which closely resemble tannic acid in their general features, but are by no means identical with ..."

8. Experimental Organic Chemistry by James Flack Norris (1915)
"For the following experiments make a 1 per cent solution of tannic acid, by dissolving ... (a) tannic acid and ferric chloride.—Add a few drops of a dilute ..."

Other Resources: