noun
- A colorless odorless inert gaseous element occurring in the earth's atmosphere in trace amounts.
- synonyms: xenon, atomic number 54
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). xe. Retrieved September 20, 2026, from http://smartdefine.org/xe/definitions/1321556 |
| Chicago | WordNet. 2010. "xe" http://smartdefine.org/xe/definitions/1321556 (accessed September 20, 2026). |
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| MLA | WordNet. "xe" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/xe/definitions/1321556> |