Pronunciation: -fäs- ' fo ̇ r-ik-, - ' fär-; - ' fäs-f( ə -)rik-
Function: noun
Etymology: International Scientific Vocabulary
Date: 1832
: a crystalline acid H 4 P 2 O 7 formed when orthophosphoric acid is heated or prepared in the form of salts by heating acid salts of orthophosphoric acid