tannin

noun

tan·​nin ˈta-nən How to pronounce tannin (audio)
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
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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 See all Example Sentences for tannin 

Word History

Etymology

French, from tanner to tan

First Known Use

1802, in the meaning defined at sense 1

Time Traveler
The first known use of tannin was in 1802

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 How to pronounce tannin (audio)
: 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

Medical Definition

tannin

noun
tan·​nin ˈtan-ən How to pronounce tannin (audio)
1
: any of various soluble astringent complex phenolic substances of plant origin used in tanning, dyeing, the making of ink, and in medicine as astringents and formerly in the treatment of burns
2
: a substance that has a tanning effect

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