phlogiston theory

noun

Definition of phlogiston theory

: a theory in 18th century chemistry disproved by Lavoisier: every combustible substance is a compound of phlogiston and the phenomena of combustion are due to the liberation of phlogiston with the other constituent left as a residue the phlogiston theory thus provided a general explanation of the chemical processes of oxidation and reduction: oxidation was taken to be the liberation of phlogiston, and reduction combination with phlogiston— Linus Pauling

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“Phlogiston theory.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phlogiston%20theory. Accessed 24 Sep. 2021.

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