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 Ships contribute around 3% of the world’s sulfur dioxide gases, a share comparable to that of a country roughly the size of Germany. Costas Paris, WSJ, "Report Puts $1 Trillion Price Tag on Cutting Ship Carbon Emissions," 21 Jan. 2020 The agency had noted the water level in the crater lake had been rising since August and that over the previous few weeks there had been an increase in sulfur dioxide gas, which comes from magma deep in the volcano. Nick Perry, chicagotribune.com, "Rescuer describes horror of New Zealand’s silent eruption," 11 Dec. 2019 The eruption would have spewed greenhouse gases and sulfur dioxide, which can cause acid rain. Michael Greshko, National Geographic, "What are mass extinctions, and what causes them?," 30 Sep. 2019 GeoNet, the agency monitoring volcanoes and earthquakes in New Zealand, had noted an increase in sulfur dioxide gas, which originates from magma deep in the volcano. Kristin Lam, USA TODAY, "White Island volcano death toll rises to 19 as New Zealand crews continue search for remaining victims," 23 Dec. 2019 New Zealand’s GeoNet seismic monitoring agency had raised the volcano’s alert level on Nov. 18 from 1 to 2 on a scale where 5 represents a major eruption, noting an increase in sulfur dioxide gas, which originates from magma. BostonGlobe.com, "Another eight people are believed to have died, with their bodies remaining on the ash-covered island for now.," 11 Dec. 2019 The agency had noted the water level in the crater lake had been rising since August and that over the previous few weeks there had been an increase in sulfur dioxide gas, which comes from magma deep in the volcano. Nick Perry, chicagotribune.com, "Rescuer describes horror of New Zealand’s silent eruption," 11 Dec. 2019 New Zealand's GeoNet seismic monitoring agency had raised the volcano's alert level on Nov. 18 from 1 to 2 on a scale where 5 represents a major eruption, noting an increase in sulfur dioxide gas, which originates from magma. Fox News, "New Zealand volcano explosion leaves American couple with severe burns, death toll rises to 6," 10 Dec. 2019 New Zealand's GeoNet seismic monitoring agency had raised the volcano's alert level on Nov. 18 from 1 to 2 on a scale where 5 represents a major eruption, noting an increase in sulfur dioxide gas, which originates from magma. Nick Perry, Anchorage Daily News, "Tourists describe terror of New Zealand volcano eruption followed by rescue of ‘horrifically’ burned survivors," 10 Dec. 2019

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.

See More

First Known Use of sulfur dioxide

1869, in the meaning defined above

Keep scrolling for more

Learn More about sulfur dioxide

Time Traveler for sulfur dioxide

Time Traveler

The first known use of sulfur dioxide was in 1869

See more words from the same year

Statistics for sulfur dioxide

Last Updated

4 Feb 2020

Cite this Entry

“Sulfur dioxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sulfur%20dioxide. Accessed 28 Feb. 2020.

Keep scrolling for more

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

Comments on sulfur dioxide

What made you want to look up sulfur dioxide? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

More Confusing Words—Quiz

  • cats on impossible timber
  • The magician ______ moved the selected card to the top of the deck.
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!