WordReference Random House Unabridged Dictionary of American English © 2026
di′am•mo′ni•um phos′phate,
(dī′ə mō′nē əm, dī′-),USA pronunciation [Chem.]
- Chemistrya white, crystalline, water-soluble compound, (NH4)2HPO4, used as fertilizer, in fire extinguishers, etc.
- di-1 + ammonium
'diammonium phosphate' also found in these entries (note: many are not synonyms or translations):