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pyrosulfuric

or py·ro·sul·phu·ric

[pahy-roh-suhl-fyoo r-ik]
adjective Chemistry.
  1. of or derived from pyrosulfuric acid; disulfuric.
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Origin of pyrosulfuric

First recorded in 1870–75; pyro- + sulfuric
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018