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

Hinkle and countless other residents on Hawaii's Big Island are fighting the toxic effects of sulfur dioxide, which is still spewing from cracks in the Earth's surface after the eruption on May 3. Faith Karimi And Holly Yan, CNN, "Hawaii volcano's 3 weeks of hot lava and toxic air -- with no end in sight," 23 May 2018 The rate of sulfur dioxide gas shooting from the ground fissures tripled, leading Hawaii County to repeat warnings about air quality. Caleb Jones And Audrey Mcavoy, chicagotribune.com, "Toxic steam cloud caused by Hawaii volcano lava emerges over the ocean," 21 May 2018 The rate of sulfur dioxide gas shooting from the ground fissures tripled, leading Hawaii County to repeat warnings about air quality. Caleb Jones, BostonGlobe.com, "Toxic cloud caused by Hawaii volcano lava emerges over ocean," 21 May 2018 The explosive eruption occurred at 4:17 a.m. Hawaiian time and forced the closure of half a dozen schools because of elevated levels of sulfur dioxide, a toxic gas, Hawaii County officials announced. Heidi Chang, latimes.com, "New eruption at Hawaii’s Kilauea volcano sends up 30,000-foot ash plume; residents told to ‘shelter in place’," 18 May 2018 The National Weather Service issued an ash advisory, and several schools were closed due to elevated levels of sulfur dioxide, which can increase the risk of bronchitis and respiratory infections. Mahita Gajanan, Time, "Hawaii's Kilauea Volcano Just Erupted From Its Summit and Sent Ash 30,000 Feet in the Air: The Latest," 17 May 2018 Health officials have warned that toxic gases pose the biggest threat and paper masks won't protect against dangerous sulfur dioxide, which can cause respiratory distress. Trevor Hughes, USA TODAY, "Hawaii volcano has flung ash and rattled residents. Now it's taking a toll on the Big Island's economy.," 16 May 2018 The pods are climatically controlled and contain various levels of ozone, particulate matter, nitrogen dioxide, sulfur dioxide and carbon monoxide. Ceylan Yeginsu, New York Times, "How’s the Air in London? ‘We Should Be Worried’," 22 Apr. 2018 The sulfur dioxide was thick afterward near the Hawaii Volcanoes National Park, enveloping the area in a thick fog that smelled of rotten eggs. Stephanie Elam, CNN, "Four people airlifted as fast-moving lava threatens more homes in Hawaii," 19 May 2018

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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Last Updated

14 Oct 2018

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Time Traveler for sulfur dioxide

The first known use of sulfur dioxide was in 1869

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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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