noun
- A crystalline tetrabasic acid (H4P2O6. ).
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). hypophosphoric acid. Retrieved September 22, 2026, from http://smartdefine.org/hypophosphoric_acid/definitions/1247549 |
| Chicago | WordNet. 2010. "hypophosphoric acid" http://smartdefine.org/hypophosphoric_acid/definitions/1247549 (accessed September 22, 2026). |
| Harvard | WordNet 2010, hypophosphoric acid, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/hypophosphoric_acid/definitions/1247549>. |
| MLA | WordNet. "hypophosphoric acid" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/hypophosphoric_acid/definitions/1247549> |