tannin

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Related to Tannins: tannic acid

tan·nin

 (tăn′ĭn)
n.
1. Any of various water-soluble polyphenols found in plant tissues that bind proteins and promote the tanning of leather. Also called tannic acid.
2. Any of various other substances that promote the tanning of leather, such as chromium salts.

[French, from tan, crushed oak bark, from Old French, from Medieval Latin tannum; see tan1.]

tannin

(ˈtænɪn)
n
(Elements & Compounds) any of a class of yellowish or brownish solid compounds found in many plants and used as tanning agents, mordants, medical astringents, etc. Tannins are derivatives of gallic acid with the approximate formula C76H52O46. Also called: tannic acid
[C19: from French tanin, from tan1]

tan•nin

(ˈtæn ɪn)

n.
any of a group of astringent vegetable principles or compounds, chiefly complex glucosides of catechol and pyrogallol, as the reddish compound that gives tanning properties to oak bark or the whitish compound that occurs in nutgalls.
Also called tan′nic ac′id.
[earlier tanin < French (1798). See tan1, -in1]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tannin - any of various complex phenolic substances of plant origin; used in tanning and in medicine
cutch, kutch - tannin extract derived from any of several mangrove barks of Pacific areas
phenol - any of a class of weakly acidic organic compounds; molecule contains one or more hydroxyl groups
catechin - a tannic acid that is extracted from black catechu as a white crystalline substance
Translations

tannin

[ˈtænɪn] Ntanino m

tannin

[ˈtænɪn] ntanin m

tannin

nTannin nt

tannin

[ˈtænɪn] ntannino

tannin

n tanino
References in periodicals archive ?
Tannins interfere with digestion by binding to proteins in the gastrointestinal tract and must be consumed moderately.
Tannins have softened considerably and the fruit is showing through with a sweet cherry character.
Reds tend to be more age-worthy because of their tannins (compounds in grape seeds and skins that slow oxidation and promote aging); whites are fruitier, have greater acidity, and reach their optimal age faster.
Deep red with berry flavors, the Wine Block Cab had nice tannins and a good earthy character with a touch of spice.
It also had lots of lovely tannins that gave it the 'chewy' feel I like so much.
Besides toughening the remains, the tannins turned Clonycavan Man's skin a ginger color.
It's a ripe, full and fruity red, with plenty of berry flavors and restrained tannins.
Whenever leaf munchers attacked our chestnut oak, it flushed its foliage with tannins and released more into the air as a chemical call to arms to nearby oaks.
To prove his point, Jardine has conducted a simple experiment by distilling lake water to remove the impurities, including the tannins that prove fatal to any living creature exposed to them.
Key words: Hypericum, Guttiferae, antimicrobial activity, bacteria, fungi, flavonoids, tannins
This Washington state variety produces a dark, rich wine with ripe berry, plum and black cherry flavors balanced by moderate oak and tannins.
Although easy-drinking and an initial crowd-pleaser, the tannins here are just too soft and the sting in the tail is the price-tag - pounds 14.