Definition of pyrosulphate in English:

pyrosulphate

(US pyrosulfate)

Pronunciation /ˌpʌɪrə(ʊ)ˈsʌlfeɪt/

noun

Chemistry
  • A salt of pyrosulphuric acid.

Origin

Late 19th century; earliest use found in Journal of the Chemical Society. From pyro- + sulphate, after pyrosulphuric.