noun
- An isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen. ).
- synonyms: deuterium
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). heavy hydrogen. Retrieved September 20, 2026, from http://smartdefine.org/heavy_hydrogen/definitions/1284449 |
| Chicago | WordNet. 2010. "heavy hydrogen" http://smartdefine.org/heavy_hydrogen/definitions/1284449 (accessed September 20, 2026). |
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| MLA | WordNet. "heavy hydrogen" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/heavy_hydrogen/definitions/1284449> |