pyrophosphoric acid
/ˌpʌɪrə(ʊ)fɒsˈfɒrɪk
/noun [mass noun] Chemistry
A glassy solid obtained by heating phosphoric acid.
- A tetrabasic acid; chemical formula: H4P2O7.
- sphagnum
- sphalerite
- sphene
- sphenoid
- sphenoidal
- sphenoid bone
- sphenopsid
- Sphenopsida
- spheral
- sphere
- -sphere
- sphere of influence (or interest)
- spheric
- spherical
- spherical aberration
- spherical angle
- spherical coordinates
- spherically
- spherical polar coordinates
- spherical triangle
- spherical trigonometry
- sphericity
- spheroid
- spheroidal
- spheroidicity