| 单词 | sulfur trioxide |
| 释义 | sulfur trioxidenoun Chemistry.an irritant, corrosive, low-melting solid, SO3, obtained by the oxidation of sulfur dioxide, used as an intermediate in the manufacture of sulfuric acid. Also called sulfuric anhydride. Origin of sulfur trioxideFirst recorded in 1865–70 Words nearby sulfur trioxidesulfuric ether, sulfurize, sulfurous, sulfurous acid, sulfur spring, sulfur trioxide, sulfuryl, sulfuryl chloride, sulfuryl group, sulindac, sulk Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Scientific definitions for sulfur trioxidesulfur trioxide A colorless, highly reactive, corrosive compound that exists either as a liquid or as a solid. As a solid, it exists in three forms that may coexist in a given sample. Sulfur trioxide is used as an intermediate in manufacturing sulfuric acid, and in making sulfonates from organic compounds. Chemical formula: SO3. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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