triphosphoric acid

[ trahy-fos-fawr-ik, -for-, trahy- ]
/ ˈtraɪ fɒsˈfɔr ɪk, -ˈfɒr-, ˌtraɪ- /

noun Chemistry.

the hypothetical acid H5P3O10, known chiefly by its salts.

Origin of triphosphoric acid