English

Alternative forms

• pyrosulphuric acid (UK)

Noun

pyrosulfuric acid ‎(uncountable)

1. (inorganic chemistry) The acid, H₂S₂O₇, formed by the reaction of sulfur trioxide with sulfuric acid; used in the manufacture of explosives etc.

Synonyms

• fuming sulfuric acid
• oleum

Related terms

• pyrosulfate