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1
: any of various soluble astringent complex phenolic substances of plant origin used especially in tanning leather and dyeing textiles, manufacturing ink, clarifying wine and beer, and in medicine
2
: a substance that has a tanning effect
Examples of tannin in a Sentence
Recent Examples on the Web
Opulent tannins and just the right level of acidity wrap around flavors of purple plum, licorice, and baking spices that culminate in a long, satisfying finish.
—Mike Desimone and Jeff Jenssen, Robb Report, 13 Jan. 2025
Petite Sirah: Produces robust wines with deep color, ripe tannins, and blackberry and chocolate notes.
Malbec: Increasingly popular for its rich, dark fruit flavors and smooth tannins.
—Joseph V Micallef, Forbes, 11 Jan. 2025
Tea has the complex aromatics and bitter tannins of wine, but without the alcohol.
—Karla Walsh, Better Homes & Gardens, 7 Jan. 2025
Woody spice notes compliment a solid structural backbone with firm tannin and racy acidity.
—Joseph V Micallef, Forbes, 27 Dec. 2024
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Word History
Etymology
French, from tanner to tan
First Known Use
1802, in the meaning defined at sense 1
Dictionary Entries Near tannin
Cite this Entry
“Tannin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tannin. Accessed 18 Jan. 2025.
Kids Definition
tannin
noun
tan·nin
ˈtan-ən
: any of various substances from plants (as the oak or sumac) used in tanning leather, dyeing fabric and yarn, the making of ink, and in medicine
More from Merriam-Webster on tannin
Nglish: Translation of tannin for Spanish Speakers
Britannica English: Translation of tannin for Arabic Speakers
Britannica.com: Encyclopedia article about tannin
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