Definition of Tannin

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

Exact synonyms: Tannic Acid
Specialized synonyms: Cutch, Kutch, Catechin
Generic synonyms: Phenol
Derivative terms: Tannic

Definition of Tannin

1. n. Same as Tannic acid, under Tannic.

Definition of Tannin

1. Noun. (chemistry) Tannic acid or any of its derivatives. ¹

¹ Source: wiktionary.com

Definition of Tannin

1. a chemical compound used in tanning [n -S]

Medical Definition of Tannin

1. Bitter-tasting, complex aromatic compounds found in the vacuoles of certain plant cells, for example in bark. Some are glucosides, possibly giving protection to the plant or concerned with pigment formation.They are strongly astringent and are used in tanning and dyeing. (14 Oct 1997)

Lexicographical Neighbors of Tannin

tanned red cells
tanner
tanner's ulcer
tanneries
tanners
tannery
tannest
tannia
tannic
tannic acid
tannicities
tannicity
tannier
tannigen
tannin (current term)
tanning
tanning bed
tanning beds
tannings
tanniniferous
tannins
tannish
tannosal
tannoy
tannoyed
tannoying
tannoys
tannylacetate
tanoak

Literary usage of Tannin

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

1. The United States: A Graphic History by Louis Morton Hacker, Rudolf Modley, George Rogers Taylor (1891)
"The ether solution contains, ;sides the tannin, the yellow coloring matter, which is slightly soluble ether, and almost insoluble in water. ..."

2. Cyclopedia of American Agriculture: A Popular Survey of Agricultural by Liberty Hyde Bailey (1907)
"The leaves contain 18 per cent of tannin. Willow bark (Salix species). The bark of willow shoots grown for basket-making contain 7 to 12 per cent of tannin, ..."

3. Chemical Abstracts by American Chemical Society (1908)
"The tannin used in some experiments was Hasting's tannin, containing 95% by hide power, ... It was found that the greatest amount of tannin which could be ..."

4. The Journal of the Society of Chemical Industry by Society of Chemical Industry (1884)
"336) states that pure air has no action on tannin in dilute aqueous solution, ... In alkaline solution tannin is attacked by atmospheric oxygen directly. ..."

5. Journal of the American Chemical Society by American Chemical Society (1895)
"THE following experiments were suggested by a method proposed for the estimation of tannin by Mr. Kerr, associate reporter on tannin, during the progress of ..."

6. Philosophical Transactions by Royal Society (Great Britain) (1805)
"Such an objection, sanctioned by such authority, induced me to alter the title of my Paper, and to expunge the word tannin wherever it had been applied to ..."

7. Allen's Commercial Organic Analysis: A Treatise on the Properties, Modes of by Alfred Henry Allen (1917)
"TABLE I. 50 cc tannin solution (0.4%) boiled with 25 cc of the formaldehyde-lid mixture for 30 minutes, thoroughly cooled and filtered. ..."

8. The United States: A Graphic History by Louis Morton Hacker, Rudolf Modley, George Rogers Taylor (1891)
"The ether solution contains, ;sides the tannin, the yellow coloring matter, which is slightly soluble ether, and almost insoluble in water. ..."

9. Cyclopedia of American Agriculture: A Popular Survey of Agricultural by Liberty Hyde Bailey (1907)
"The leaves contain 18 per cent of tannin. Willow bark (Salix species). The bark of willow shoots grown for basket-making contain 7 to 12 per cent of tannin, ..."

10. Chemical Abstracts by American Chemical Society (1908)
"The tannin used in some experiments was Hasting's tannin, containing 95% by hide power, ... It was found that the greatest amount of tannin which could be ..."

11. The Journal of the Society of Chemical Industry by Society of Chemical Industry (1884)
"336) states that pure air has no action on tannin in dilute aqueous solution, ... In alkaline solution tannin is attacked by atmospheric oxygen directly. ..."

12. Journal of the American Chemical Society by American Chemical Society (1895)
"THE following experiments were suggested by a method proposed for the estimation of tannin by Mr. Kerr, associate reporter on tannin, during the progress of ..."

13. Philosophical Transactions by Royal Society (Great Britain) (1805)
"Such an objection, sanctioned by such authority, induced me to alter the title of my Paper, and to expunge the word tannin wherever it had been applied to ..."

14. Allen's Commercial Organic Analysis: A Treatise on the Properties, Modes of by Alfred Henry Allen (1917)
"TABLE I. 50 cc tannin solution (0.4%) boiled with 25 cc of the formaldehyde-lid mixture for 30 minutes, thoroughly cooled and filtered. ..."

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