Theories · theory

Phlogiston Theory

Disproved · 1667

Status
Disproved
Year
1667

Summary

Combustible bodies were said to contain phlogiston, released as they burned. The theory died when Lavoisier weighed the products and found them heavier — the awkward fix, negative mass, was one step too far.

Proponent

Referenced by

researcher

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From the Theories database in Notion, last edited 2026-08-15. This page is the row, rendered by the build; nothing on it is written by hand.