noun
- Binary compound that occurs at room temperature as a clear colorless odorless tasteless liquid; freezes into ice below 0 degrees centigrade and boils above 100 degrees centigrade; widely used as a solvent.
- synonyms: water
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). h2o. Retrieved September 20, 2026, from http://smartdefine.org/h2o/definitions/1283664 |
| Chicago | WordNet. 2010. "h2o" http://smartdefine.org/h2o/definitions/1283664 (accessed September 20, 2026). |
| Harvard | WordNet 2010, h2o, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/h2o/definitions/1283664>. |
| MLA | WordNet. "h2o" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/h2o/definitions/1283664> |