Gutter oil

Rarity: Common

The most frequent rarity: most Wikipedia articles become Commons.

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

Gutter oil, trench oil, sewer oil, hogwash oil and tainted oil (Chinese: 地沟油 / 地溝油; pinyin: dìgōu yóu, or 餿水油; sōushuǐ yóu) are Chinese slang terms primarily used in China and Taiwan to refer to recycled oil.

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

Image: Dgu163, CC BY-SA 4.0, via Wikimedia Commons.