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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)



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