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