noun
- A glassy solid acid (HPO3n) often used as a dehydrating agent. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). metaphosphoric acid. Retrieved September 23, 2026, from http://smartdefine.org/metaphosphoric_acid/definitions/1247554 |
| Chicago | WordNet. 2010. "metaphosphoric acid" http://smartdefine.org/metaphosphoric_acid/definitions/1247554 (accessed September 23, 2026). |
| Harvard | WordNet 2010, metaphosphoric acid, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/metaphosphoric_acid/definitions/1247554>. |
| MLA | WordNet. "metaphosphoric acid" 23 October 2010. Web. 23 September 2026. <http://smartdefine.org/metaphosphoric_acid/definitions/1247554> |