pyrosulphuric acid
- a fuming liquid acid made by adding sulphur trioxide to concentrated sulphuric acid. Formula: H 2 S 2 O 7Also called: disulphuric acid See also fuming sulphuric acid
Show More
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012