Azulene

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

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

Class

Notion

Domain

Science and technology

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What Wikipedia says

Azulene is an aromatic organic compound and an isomer of naphthalene. Naphthalene is colourless, whereas azulene is dark blue. The compound is named after its colour, as "azul" is Spanish for blue.

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

Image: NickItch, CC BY-SA 4.0, via Wikimedia Commons.