noun
- A nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust.
- synonyms: O, atomic number 8
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). oxygen. Retrieved September 21, 2026, from http://smartdefine.org/oxygen/definitions/1247669 |
| Chicago | WordNet. 2010. "oxygen" http://smartdefine.org/oxygen/definitions/1247669 (accessed September 21, 2026). |
| Harvard | WordNet 2010, oxygen, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/oxygen/definitions/1247669>. |
| MLA | WordNet. "oxygen" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/oxygen/definitions/1247669> |