noun
- A theory of the structure of the atom.
- Chemistry) any theory in which all matter is composed of tiny discrete finite indivisible indestructible particles. (
- usage: "the ancient Greek philosophers Democritus and Epicurus held atomic theories of the universe"
- synonyms: atomism, atomist theory, atomistic theory
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). atomic theory. Retrieved September 20, 2026, from http://smartdefine.org/atomic_theory/definitions/1215176 |
| Chicago | WordNet. 2010. "atomic theory" http://smartdefine.org/atomic_theory/definitions/1215176 (accessed September 20, 2026). |
| Harvard | WordNet 2010, atomic theory, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/atomic_theory/definitions/1215176>. |
| MLA | WordNet. "atomic theory" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/atomic_theory/definitions/1215176> |