fixed air, I mean that particular species of factitious air, which is separated from alcaline substances by solution in acids or by calcination and to which Dr. Black has given that name in his treatise on quicklime." - Meaning and context.">
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“

By fixed air, I mean that particular species of factitious air, which is separated from alcaline substances by solution in acids or by calcination and to which Dr. Black has given that name in his treatise on quicklime.

— Henry Cavendish

What It Means

This is a placeholder explanation generated by the low-overhead model. It interprets "By fixed air, I mean that particular species of factitious air, which is separated from alcaline substances by solution in acids or by calcination and to which Dr. Black has given that name in his treatise on quicklime." in the context of "" to mean that wisdom is timeless.

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Source: The 'What it means' explanation text was generated by Google Gemini Flash (accessed January 18, 2026). https://gemini.google.com/app

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#Henry Cavendish#air#calcination#particular#factitious#substances#separated#quicklime#alcaline#solution#treatise#species
Henry Cavendish

About Henry Cavendish

Henry Cavendish FRS (10 October 1731 – 24 February 1810) was a British scientist noted for his discovery of hydrogen or what he called "inflammable air". Cavendish is also known for the Cavendish experiment, his measurement of the Earth's density, and early research into electricity.