noun
- A soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal.
- synonyms: cesium, Cs, atomic number 55
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). caesium. Retrieved September 20, 2026, from http://smartdefine.org/caesium/definitions/1262581 |
| Chicago | WordNet. 2010. "caesium" http://smartdefine.org/caesium/definitions/1262581 (accessed September 20, 2026). |
| Harvard | WordNet 2010, caesium, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/caesium/definitions/1262581>. |
| MLA | WordNet. "caesium" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/caesium/definitions/1262581> |