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
Since then, Heelan has had to adapt to the conditions of each subsequent season, focusing on tannin management with the 2022 vintage and emphasizing deeper colors and softer, velvety textures with the 2023 harvest.
—
Mike Desimone and Jeff Jenssen, Robb Report, 19 May 2024
It is also proven that drinking coffee slowly will make your teeth easier to stain, exposing them to tannins and acid over and over again.
—India Espy-Jones, Essence, 15 May 2024
See all Example Sentences for tannin 
Mike Desimone and Jeff Jenssen, Robb Report, 19 May 2024
It is also proven that drinking coffee slowly will make your teeth easier to stain, exposing them to tannins and acid over and over again.
—India Espy-Jones, Essence, 15 May 2024
See all Example Sentences for tannin
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'tannin.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near tannin
Cite this Entry
“Tannin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tannin. Accessed 29 May. 2024.
Copy CitationKids 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share