noun
- A clear or yellow monobasic acid (H3PO2. ).
- synonyms: phosphorous acid, orthophosphorous acid
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). hypophosphorous acid. Retrieved September 21, 2026, from http://smartdefine.org/hypophosphorous_acid/definitions/1247550 |
| Chicago | WordNet. 2010. "hypophosphorous acid" http://smartdefine.org/hypophosphorous_acid/definitions/1247550 (accessed September 21, 2026). |
| Harvard | WordNet 2010, hypophosphorous acid, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/hypophosphorous_acid/definitions/1247550>. |
| MLA | WordNet. "hypophosphorous acid" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/hypophosphorous_acid/definitions/1247550> |