Carotenoid

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.

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Notion

Domain

Science and technology

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What Wikipedia says

Carotenoids () are yellow, orange, and red organic pigments that are produced by plants and algae, as well as several bacteria, archaea, and fungi. Carotenoids give the characteristic color to pumpkins, carrots, parsnips, corn, tomatoes, canaries, flamingos, salmon, lobster, shrimp, daffodils, and egg yolks.

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

Image: Stephen Ausmus, USDA ARS, Public domain, via Wikimedia Commons.