Petroleum

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

Class

Invention

Domain

Society

Knowledge cost

6

In collections

Nobody has pulled it yet.

What Wikipedia says

Petroleum, also known as crude oil or simply oil, is a natural resource that appears as a yellowish-black liquid chemical mixture found in geological formations, consisting primarily of hydrocarbons.

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

Image: Nefronus, CC0, via Wikimedia Commons.