Examples from the Web for tannin
Spanish oak, which has an open grain and high levels of tannin, gives you dried fruit, spice, and even chocolate flavors.
Sorry, tannin fans: “In contrast to results for coffee, no effect was observed for drinking tea,” the authors avow.
And yet, late last week, Cioffi and Tannin were found not guilty of all charges.
To be sure, the case against Cioffi and Tannin, such as it is, has some noteworthy elements.
Cioffi and Tannin have both pleaded not guilty, so presumably they will also argue they did nothing wrong.
Is the freeing of the acorn and its tannin and other objectionable substances a practical consideration?
A factor which governs the quality of the leather quite as much as the tannin itself is the acidity of the liquors.
The bark and cones are rich in tannin and a yellow dye used in making ink.Trees Worth Knowing|Julia Ellen Rogers
Throw the tongue into a pickle of tannin and carbolic acid (see chapter IV, No. 15), and there leave it until wanted.Practical Taxidermy|Montagu Browne
The plate, after being "sensitized" and washed, is plunged in a bath containing ten grains of tannin to an ounce of water.
British Dictionary definitions for tannin
Word Origin for tannin
Word Origin and History for tannin
vegetable substance capable of converting animal hide to leather, 1802, from French tannin (1798), from tan "crushed oak bark containing tannin" (see tan (v.)). Tannic acid first recorded 1836, from French acide tannique, inroduced 1834 by Pelouze.