phlogiston in a sentence
n.
📚 Grade Level: Grade 9, Grade 10, Grade 11, Grade 12
Definition
Phlogiston is a hypothetical substance once believed to be released during combustion, central to earlier theories of fire and oxidation before being replaced by the understanding of oxygen.
Sample Sentences
- The concept of phlogiston was once central to the theory of combustion in the 17th and 18th centuries.
- Scientists eventually abandoned the idea of phlogiston in favor of oxygen's role in oxidation.
- In the phlogiston theory, it was believed that substances released phlogiston when burned.
- The decline of phlogiston as a scientific explanation coincided with the rise of modern chemistry.
- Although phlogiston is now a historical curiosity, it played a significant role in the development of chemical science.