Tannin

Rarity: Rare

A topic known well beyond its field, found in many languages.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

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Notion

Domain

Science and technology

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What Wikipedia says

Tannins (or tannoids) are a class of astringent, polyphenolic biomolecules that bind to and precipitate proteins and various other organic compounds including amino acids and alkaloids.

Excerpt from the Wikipedia article “Tannin”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: en:User_talk:Ronhjones, Public domain, via Wikimedia Commons.