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pyrosulfuric

[pahy-roh-suhl-fyoo r-ik] /ˌpaɪ roʊ sʌlˈfyʊər ɪk/
adjective, Chemistry
1.
of or derived from pyrosulfuric acid; disulfuric.
Also, pyrosulphuric.
Origin
1870-1875
1870-75; pyro- + sulfuric
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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