diammonium phosphate
noun
di·am·mo·ni·um phosphate
ˌdī-ə-ˈmō-nē-əm- 
: a white crystalline compound (NH4)2HPO4 used especially as a fertilizer and as a fire retardant
—abbreviation DAP
Cite this Entry
“Diammonium phosphate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diammonium%20phosphate. Accessed 5 Jul. 2026.
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