noun
- Chemistry) the mass of an atom of a chemical element expressed in atomic mass units. (.
- synonyms: atomic weight, relative atomic mass
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). atomic mass. Retrieved September 20, 2026, from http://smartdefine.org/atomic_mass/definitions/1211356 |
| Chicago | WordNet. 2010. "atomic mass" http://smartdefine.org/atomic_mass/definitions/1211356 (accessed September 20, 2026). |
| Harvard | WordNet 2010, atomic mass, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/atomic_mass/definitions/1211356>. |
| MLA | WordNet. "atomic mass" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/atomic_mass/definitions/1211356> |