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pyrosulfate

American  
[pahy-ruh-suhl-feyt] / ˌpaɪ rəˈsʌl feɪt /

noun

Chemistry.
  1. a salt of pyrosulfuric acid.


pyrosulfate Scientific  
/ pī′rō-sŭlfāt′ /
  1. A salt or ester of pyrosulfuric acid, containing the group S 2 O 7.


Etymology

Origin of pyrosulfate

pyrosulf(uric acid) + -ate 2