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
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When air pollution in the form of sulfur dioxide, nitrous oxide, particulate matter and mercury spew from fossil fuel burning power plants, the health of communities living nearby are at risk, according to the Environmental Protection Agency.
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Sophie Hartley, IndyStar, 14 Oct. 2025
One downside of Oza’s model, Kipping notes, is that any fluctuations in the levels of sulfur dioxide, sodium and potassium observed on WASP-39b can be easily explained away as variability in eruptions.
—Nola Taylor Tillman, Scientific American, 13 Oct. 2025
Researchers focused on the levels of sulfur dioxide present before symptoms of ALS began to appear, compared to levels taken in the years before a diagnosis was made, according to the paper.
—Julia Jacobo, ABC News, 6 Oct. 2025
Ejecta from its innermost large, volcano-rich moon, Io, populates this inner magnetosphere with sulfur dioxide gas, where the magnetic field forces this material to co-rotate with Jupiter itself in a torus-like shape.
—Ethan Siegel, Big Think, 3 Sep. 2025
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Sophie Hartley, IndyStar, 14 Oct. 2025
One downside of Oza’s model, Kipping notes, is that any fluctuations in the levels of sulfur dioxide, sodium and potassium observed on WASP-39b can be easily explained away as variability in eruptions.
—Nola Taylor Tillman, Scientific American, 13 Oct. 2025
Researchers focused on the levels of sulfur dioxide present before symptoms of ALS began to appear, compared to levels taken in the years before a diagnosis was made, according to the paper.
—Julia Jacobo, ABC News, 6 Oct. 2025
Ejecta from its innermost large, volcano-rich moon, Io, populates this inner magnetosphere with sulfur dioxide gas, where the magnetic field forces this material to co-rotate with Jupiter itself in a torus-like shape.
—Ethan Siegel, Big Think, 3 Sep. 2025
See All Example Sentences for sulfur dioxide
Cite this Entry
“Sulfur dioxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sulfur%20dioxide. Accessed 18 Oct. 2025.
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