pyrophosphoric acid
noun
py·ro·phos·pho·ric acid ˌpī-rə-fäs-ˈfȯr-ik- 
-ˈfär-;
-ˈfäs-f(ə-)rik-
: a crystalline acid H4P2O7 formed when orthophosphoric acid is heated or prepared in the form of salts by heating acid salts of orthophosphoric acid
Word History
Etymology
International Scientific Vocabulary
First Known Use
1830, in the meaning defined above
Medical Definition
pyrophosphoric acid
noun
py·ro·phos·pho·ric acid -fäs-ˌfȯr-ik-, -ˌfär-; -ˌfäs-f(ə-)rik-
: a crystalline acid H4P2O7 that is formed when orthophosphoric acid is heated or that is prepared in the form of salts by heating acid salts of orthophosphoric acid
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