noun
- A multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks and as organic phosphates in all living cells; is highly reactive and occurs in several allotropic forms.
- synonyms: P, atomic number 15
- A planet (usually Venus) seen just before sunrise in the eastern sky.
- synonyms: morning star, daystar, Lucifer
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). Phosphorus. Retrieved September 20, 2026, from http://smartdefine.org/phosphorus/definitions/1325707 |
| Chicago | WordNet. 2010. "Phosphorus" http://smartdefine.org/phosphorus/definitions/1325707 (accessed September 20, 2026). |
| Harvard | WordNet 2010, Phosphorus, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/phosphorus/definitions/1325707>. |
| MLA | WordNet. "Phosphorus" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/phosphorus/definitions/1325707> |