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persulphuric acid

US persulfuric acid

/ (ˌpɜːsʌlˈfjʊərɪk) /
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noun

other names (not in technical usage) for peroxysulphuric acid

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The rainy weather could not ________ my elated spirits on my graduation day.
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
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