sulfur dioxide

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noun Chemistry.

a colorless, nonflammable, water-soluble, suffocating gas, SO2, formed when sulfur burns: used chiefly in the manufacture of chemicals such as sulfuric acid, in preserving fruits and vegetables, and in bleaching, disinfecting, and fumigating.

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Origin of sulfur dioxide

First recorded in 1865–70

Words nearby sulfur dioxide

sulfur, sulfurate, sulfurated potash, sulfur bacteria, sulfur butterfly, sulfur dioxide, sulfur dye, sulfureous, sulfuret, sulfureted hydrogen, sulfuric

How to use sulfur dioxide in a sentence

The exhaust spewed by ships there produces about 70 percent of the sulfur dioxide in the air, he notes.
Warming cities may see more rain — and frequent flooding|Bethany Brookshire|August 19, 2021|Science News For Students
It now measures sulfur dioxide using one-hour and five-minute averages.
Sugar Companies Said Our Investigation Is Flawed and Biased. Let’s Dive Into Why That’s Not the Case.|by Lulu Ramadan, The Palm Beach Post, and Maya Miller and Ash Ngu, ProPublica|July 8, 2021|ProPublica
For instance, the agency used to measure sulfur dioxide, a byproduct of burning oil and coal, using 24-hour averages.
Sugar Companies Said Our Investigation Is Flawed and Biased. Let’s Dive Into Why That’s Not the Case.|by Lulu Ramadan, The Palm Beach Post, and Maya Miller and Ash Ngu, ProPublica|July 8, 2021|ProPublica
Volcanologists typically use instruments on the ground to help warn of eruptions, monitoring changes in gases, such as carbon dioxide and sulfur dioxide, that quietly seep from volcanoes between blasts.
A satellite’s view of a deadly 2019 eruption could improve volcano monitoring|Nikk Ogasa|June 18, 2021|Science News

This approach allowed the researchers to estimate how much sulfur dioxide that the volcano belched before, during and after the eruption.
A satellite’s view of a deadly 2019 eruption could improve volcano monitoring|Nikk Ogasa|June 18, 2021|Science News
Pfifferling, like most natural wine producers, adds no sulfur dioxide aside from minimal amounts when he bottles the wine.
The No Hangover Wine|Jordan Salcito|November 17, 2013|DAILY BEAST
It does not resist so well hydrochloric acid or sulfur dioxide or alkalies.
Creative Chemistry|Edwin E. Slosson
Hydrogen sulfide was what gave the characteristic aroma to rotten eggs, and sulfur dioxide wasn't exactly perfume.
The Flaming Mountain|Harold Leland Goodwin
Sulfur dioxide or chlorine, for example, would not allow the formation of water-ice.
Planet of Dread|Murray Leinster
There is an occasional outpouring of hydrogen sulfide and sulfur dioxide.
The Flaming Mountain|Harold Leland Goodwin
Violently ill, I felt the sulfur dioxide rush from my lungs.
Question of Comfort|Les Collins

Scientific definitions for sulfur dioxide

sulfur dioxide

A colorless, poisonous gas or liquid with a strong odor. It is formed naturally by volcanic activity, and is a waste gas produced by burning coal and oil and by many industrial processes, such as smelting. It is also a hazardous air pollutant and a major contributor to acid rain. Chemical formula: SO2.