Paraffin wax

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A topic known well beyond its field, found in many languages.

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Notion

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Science and technology

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What Wikipedia says

Paraffin wax (or petroleum wax) is a soft colorless solid derived from petroleum, coal, or oil shale that consists of a mixture of hydrocarbon molecules containing between 20 and 40 carbon atoms.

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

Image: Gmhofmann, CC BY-SA 3.0, via Wikimedia Commons.