A substance supposed by 18th-century chemists to exist in all combustible bodies, and to be released in combustion.
More example sentences
- In the phlogiston theory, phlogiston is released during combustion, and in the oxygen theory, oxygen is absorbed during combustion.
- According to the phlogiston theory, combustible materials contain a substance - phlogiston - that is emitted by the material as it burns.
- Biologists used to believe in the inheritance of acquired characteristics, chemists in phlogiston, physicists in absolute (pre-relativity) time.
Definition of phlogiston in:
- The British & World English dictionary