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A salt, ester, or anion of pyrophosphoric acid.

py′ro·phos·phat′ic (-făt′ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Elements & Compounds) any salt or ester of pyrophosphoric acid
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌpaɪ rəˈfɒs feɪt)

a salt or ester of pyrophosphoric acid.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pyrophosphate - a salt or ester of pyrophosphoric acid
salt - a compound formed by replacing hydrogen in an acid by a metal (or a radical that acts like a metal)
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References in periodicals archive ?
The other inorganic P form detected pyrophosphates are the smallest group of inorganic condensed polyphosphates, found in nature.
Hypomagnesemia might produce CPPD due to the pyrophosphates' enzymatic activity dependence on magnesium ions.
Here is a guide that I use to help those choosing processed foods be wiser consumers: Baked Goods: cake mixes, doughnuts, refrigerated dough = pyrophosphates for leavening and dough "improver."
Baked Goods- cake mixes, donuts, refrigerated dough = pyrophosphates for leavening and dough "improver"
Pyrophosphates (P-O-P), bisphosphonates precursors, have been known to chemists since the 19th century, the first synthesis dating back to 1865 in Germany.
A control containing no salt or phosphate, as well as samples containing sodium tripolyphosphate, agglomerated blends of sodium phosphate, poly- and pyrophosphates, polyphosphates, and potassium and sodium polyphosphates, were utilized as treatment variables.
PerioTherapy also contains ZincRx to help fight problem bacteria, CoQ10 to provide energy to damaged cells and pyrophosphates to help prevent plaque and tartar.
Many different allylic pyrophosphates are effective initiators, but FPP seems to be the one primarily used in vivo.
In the prebiotic atmosphere, inorganic pyrophosphates formed by photo-phosphorylating reactions and enrichment of enantiopure molecular conformations provides a thermodynamical driving force for the evolution of biogenetic process.
Crystal structures of a number of pyrophosphates, carbonates, bisphosphonates, and highly hydrated phosphates and arsenates of calcium, magnesium and strontium were also investigated.