noun
- Unit of mass for expressing masses of atoms or molecules. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). atomic mass unit. Retrieved September 21, 2026, from http://smartdefine.org/atomic_mass_unit/definitions/1244341 |
| Chicago | WordNet. 2010. "atomic mass unit" http://smartdefine.org/atomic_mass_unit/definitions/1244341 (accessed September 21, 2026). |
| Harvard | WordNet 2010, atomic mass unit, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/atomic_mass_unit/definitions/1244341>. |
| MLA | WordNet. "atomic mass unit" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/atomic_mass_unit/definitions/1244341> |