from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The oxyanion of phosphorus P2O64- derived from hypophosphoric acid; any salt containing this anion
from the GNU version of the Collaborative International Dictionary of English
- n. A salt of hypophosphoric acid.
from The Century Dictionary and Cyclopedia
- n. Same as hypophosphite.
hypo- + phosphate (Wiktionary)