from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A salt, ester, or anion of pyrophosphoric acid.

from The Century Dictionary.

  • noun A salt of pyrophosphoric acid. See pyrophosphoric.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Chem.) A salt of pyrophosphoric acid.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun inorganic chemistry Any salt or ester of pyrophosphoric acid.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a salt or ester of pyrophosphoric acid


Sorry, no etymologies found.


  • In an example, 10 grams of ore gave 28.5 milligrams of magnesic pyrophosphate, which is equivalent to 0.18 per cent. of phosphoric oxide.

    A Text-book of Assaying: For the Use of Those Connected with Mines.

  • Left off that image was a byproduct of this reaction: two linked phosphates (called a pyrophosphate), which are cleaved off as the sugar-phosphate-sugar bonding forms.

    Ars Technica

  • Common chemical bleaches include household chlorine bleach, a solution of approximately 3 – 6% sodium hypochlorite (NaClO), and oxygen bleach, which contains hydrogen peroxide or a peroxide-releasing compound such as sodium perborate, sodium percarbonate, sodium persulfate, tetrasodium pyrophosphate, or urea peroxide together with catalysts and activators, e.g. tetraacetylethylenediamine and/or sodium nonanoyloxybenzenesulfonate.

    Superhero Nation: how to write superhero novels and comic books » Seriously?

  • He also found thiamine pyrophosphate to be a co-enzyme, which Severo

    Otto Meyerhof and the Physiology Institute: the Birth of Modern Biochemistry

  • The Swedes would add one base of DNA at a time first A then C then G then T and, starting with the release of pyrophosphate, use a clever chemical domino effect involving an enzyme called luciferase, extracted from fireflies, to turn the chemical cue into a pulse of light.

    The $1,000 Genome

  • The amount of pyrophosphate, and thus the amount of light, released is directly proportional to the number of bases incorporated.

    The $1,000 Genome

  • The idea was to focus on a small molecule by-product, pyrophosphate, that was produced every time a new base was incorporated into a DNA chain.

    The $1,000 Genome

  • In the wake of the Twinkie defense, a representative of the ITT-owned Continental Baking Company asserted that the notion that overdosing on the cream-filled goodies could lead to murderous behavior was "poppycock" and "crap" -- apparently two of the artificial ingredients in Twinkies, along with sodium pyrophosphate and yellow dye -- while another spokesperson for ITT couldn't believe "that a rational jury paid serious attention to that issue."

    Paul Krassner: Behind the Infamous Twinkie Defense

  • A different colored balloon for every ribonucleotide and a puff of smoke for every pyrophosphate cleavage ... science entertainment at its best.

    Boing Boing: May 14, 2006 - May 20, 2006 Archives

  • The latter case arises because the desired reaction is linked to a exothermic reaction, usually release of pyrophosphate i.e.

    HAnsen and Schmidt: Predicting the Past – Continued « Climate Audit


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