Coal tar

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

In collections

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What Wikipedia says

Coal tar is a viscous dark liquid that is a by-product of deriving coke and coal gas from coal. Coal tar has long been a source of useful chemicals as well as a general wood preservative. Although not common, it is used topically for relief from some skin conditions.

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