| 单词 | pyrosulfuric acid |
| 释义 | pyrosulfuric acidnoun Chemistry.an oily, hygroscopic, corrosive liquid, H2S2O7, that, depending on purity, is colorless or dark brown: used chiefly as a dehydrating agent in the manufacture of explosives and as a sulfating or sulfonating agent in the manufacture of dyes. Also called fuming sulfuric acid, oleum. Origin of pyrosulfuric acidFirst recorded in 1870–75 Words nearby pyrosulfuric acidpyroracemic acid, pyrosis, pyrostat, pyrosulfate, pyrosulfuric, pyrosulfuric acid, pyrosulphate, pyrosulphuric acid, pyrotechnic, pyrotechnician, pyrotechnics Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Scientific definitions for pyrosulfuric acidpyrosulfuric acid [ pī′rō-sŭl-fyur′ĭk ] A heavy, oily, colorless to dark brown liquid produced by adding sulfur trioxide to concentrated sulfuric acid. It is used in petroleum refining and the manufacture of explosives. Chemical formula: H2S2O7. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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