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sulfur dioxide
noun
: a heavy pungent toxic gas SO2 that is easily condensed to a colorless liquid, is used especially in making sulfuric acid, in bleaching, as a preservative, and as a refrigerant, and is a major air pollutant especially in industrial areas
Examples of sulfur dioxide in a Sentence
Recent Examples on the Web
Prairie State, Illinois’s largest emitter of sulfur dioxide and nitrogen oxide pollution, is increasingly an outlier in a fast-changing sector of the U.S. economy.
—Michael Hawthorne, Chicago Tribune, 26 May 2024
Find nearby coal plants and emissions data Enter an address to locate the nearest operating coal plants and view their carbon dioxide (CO2), sulfur dioxide (SO2), and nitrogen oxides (NOx) output for 2023.
—Cecilia Garzella, USA TODAY, 21 May 2024
The air quality index (AQI) measures five major air pollutants regulated by the Clean Air Act: ground-level ozone, particle pollution, carbon monoxide, sulfur dioxide, and nitrogen dioxide.
—Nick Blackmer, Verywell Health, 6 May 2024
Indeed, carbon capture and sequestration is analogous to scrubbers – devices that the EPA has required for decades to remove pollutants such as fine particulates, sulfur dioxide and mercury from power plant smokestacks.
—Patrick Parenteau, The Conversation, 1 May 2024
See all Example Sentences for sulfur dioxide
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'sulfur dioxide.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
First Known Use
1869, in the meaning defined above
Dictionary Entries Near sulfur dioxide
Cite this Entry
“Sulfur dioxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sulfur%20dioxide. Accessed 8 Jun. 2024.
Kids Definition
sulfur dioxide
noun
: a heavy strong-smelling gas that is used especially in making sulfuric acid, in bleaching, in preserving things, and as a refrigerant and that is a major substance in air pollution especially in industrial areas
Medical Definition
sulfur dioxide
noun
: a heavy pungent toxic gas SO2 that is easily condensed to a colorless liquid, is used especially in making sulfuric acid, in bleaching, as a preservative, and as a refrigerant, and is a major air pollutant especially in industrial areas
More from Merriam-Webster on sulfur dioxide
Britannica.com: Encyclopedia article about sulfur dioxide
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