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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)
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Her auto sustained scuff marks on the rear driver side bumper from the 2009 Ford E450.
The deal follows E450 million worth of support provided by UKEF for healthcare and power provision in Angola.
The reforms pushed seven million people into part-time "mini-jobs" paying E450 (Dh1,938) a month.
Mercedes-Benz has not revealed any details, but it is possible that the automaker is to follow the same path as it did with C43 and E43 when re-naming the C450 and E450 Sport models with extra AMG parts and power to create a Mercedes-AMG A25 and CLA25.
The bank has already provided loans worth E450 million to support projects in Jordan, and aims to increase the funding to E700 million.
The prices pertaining of the aforesaid base models are as follows: ThinkPad X250 ($1149), ThinkPad T450s ($1099), ThinkPad T450 ($849), ThinkPad T550 ($999), ThinkPad E450 ($599), ThinkPad E550 ($599) and ThinkPad L450 ($6990).
Self assembling phenomenon in aqueous solution of B17E122 B17and B24 E450 B24 has been studied in detail and it is concluded that the CMC andthermodynamic parameters depend on the hydrophobic block length and the temperature of the system.
Also new is the MacroPower E450 hybrid (450 m.t.) with servo pump (see June Close Up).
Serbia's contribution to the project will include E450,000 of direct funding to TRZ Kragujevac for demilitarization, the costs of transportation of the munitions from storage to the demilitarization facility, and the provision of office facilities for NATO Support Agency staff in Serbia.
In the Kyrgyz Republic, the EBRD has invested almost E450 million in more than 90 projects with a special focus on promoting the private sector, the financial sector and the development of infrastructure.
Among an estimated E5 million worth of motor cars and automobilia on offer at the sale, during the Spa Classic weekend, is a 1942 Alfa Romeo 6C 2500 3rd Series Sport with coachwork by Diamante that participated in the 2000 Mille Miglia (estimate E375,000 - E525,000), an entirely original 1936 Delahaye Type 135M 20CV Competition Coupe with coachwork by Henri Chapron (E90,000 - E110,000), and a 1968 Lamborghini Miura P400 Coupe that was factory-restored under the supervision of Lamborghini's legendary chief test driver Valentino Balboni (E450,000 - E650,000).