sulfur dioxide

noun

Definition of sulfur dioxide

: 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 Implementing a carbon tax would also prompt reductions of at least 20% in other air pollutants, such as nitrous oxide, sulfur dioxide, and volatile organic compounds, by 2035, the report finds. Abby Smith, Washington Examiner, "Daily on Energy: What to watch for during Biden’s big climate week," 16 Apr. 2021 Milenko Jovanovic, an air pollution expert, said he was fired in November from Serbia’s Environmental Protection Agency after raising concerns about dangerously high levels of sulfur dioxide and arsenic in the air around Bor. New York Times, "Serbia Hails Chinese Companies as Saviors, but Locals Chafe at Costs," 27 Mar. 2021 Three power agencies told ERCOT that operating for maximum output would push them over limits set in federal permits for emissions of nitrogen oxide, carbon monoxide, sulfur dioxide, mercury along with release of wastewater, according to the letter. Rick Rouan, USA TODAY, "Fact check: DOE granted request for Texas electricity generators to exceed emissions limits," 20 Feb. 2021 One theory is that sulfur from the sulfur dioxide utilized in making golden raisins is what may provide relief. Bruce Y. Lee, Forbes, "105-Year-Old Recovered From Covid-19, Her Tip? Eating Gin-Soaked Raisins," 27 Feb. 2021 Those air readings focus on only six major pollutants: ground-level ozone, particle pollution, carbon monoxide, and two ozone constituents, sulfur dioxide and nitrogen dioxide. Mark Schleifstein, NOLA.com, "Louisiana should better identify air pollution violations, speed enforcement, auditor says," 26 Jan. 2021 Those standards cover particulate matter, ozone, nitrogen oxide, sulfur dioxide, carbon monoxide and lead. al, "Alabama’s environment is in good shape and getting better," 21 Jan. 2021 One team argued that the signal was coming not from phosphine but from sulfur dioxide, which is common in Venus’s clouds and produced by plain old chemical interactions. Marina Koren, The Atlantic, "The Biggest Maybe in Astronomy," 15 Dec. 2020 The Spruce plant also emits far more sulfur dioxide and nitrogen oxides — the compounds that can cause acid rain, haze and respiratory problems — than the rest of CPS’s power plants combined, according to EIA data. Diego Mendoza-moyers, ExpressNews.com, "CPS Energy says hefty debt means coal plant has to stay open — for now," 18 Nov. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sulfur dioxide.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of sulfur dioxide

1869, in the meaning defined above

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Time Traveler for sulfur dioxide

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The first known use of sulfur dioxide was in 1869

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Statistics for sulfur dioxide

Last Updated

19 Apr 2021

Cite this Entry

“Sulfur dioxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sulfur%20dioxide. Accessed 21 Apr. 2021.

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More Definitions for sulfur dioxide

sulfur dioxide

noun

English Language Learners Definition of sulfur dioxide

chemistry : a gas that has a strong smell, that is used in many industries, and that contributes to air pollution

sulfur dioxide

noun

Medical Definition of sulfur dioxide

: 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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