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pyrophosphate

American  
[pahy-ruh-fos-feyt] / ˌpaɪ rəˈfɒs feɪt /

noun

Chemistry.
  1. a salt or ester of pyrophosphoric acid.


pyrophosphate British  
/ ˌpaɪrəʊˈfɒsfeɪt /

noun

  1. any salt or ester of pyrophosphoric acid

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

pyrophosphate Scientific  
/ pī′rə-fŏsfāt′ /
  1. A salt or ester of pyrophosphoric acid, containing the group P 2 O 7.


Etymology

Origin of pyrophosphate

First recorded in 1830–40; pyrophosph(oric acid) + -ate 2

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But it was not clear how vitamin B1, or its derivative thiamine pyrophosphate, allowed proteins to expand their chemical repertoire.

From Nature

Ingredients in regular marshmallows can include corn syrup, dextrose and a chemical called tetrasodium pyrophosphate -- which is sometimes found in household detergents.

From Los Angeles Times

It’s certainly a much more labor-intensive process than simply walking to the nearest McDonald’s location and buying some — but this way, you can make them without chemical additives like citric acid and sodium acid pyrophosphate.

From Time

It then attaches the new base to the end of the growing RNA strand and releases two of the phosphates into the surrounding solution as a free pyrophosphate ion.

From Scientific American

They give a characteristic pale red precipitate with sodium pyrophosphate, soluble in an excess of the precipitant; they also form precipitates on the addition of platinic chloride and potassium ferrocyanide.

From Project Gutenberg