: a black substance formed by combustion or separated from fuel during combustion, rising in fine particles, and adhering to the sides of the chimney or pipe conveying the smoke
especially
: the fine powder consisting chiefly of carbon that colors smoke
Examples of soot in a Sentence
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Omer Awan, Forbes.com, 26 Apr. 2025
Environmental Protection Agency administrator Lee Zeldin has announced his intention to re-evaluate limits on soot pollution, which were last tightened in 2024, claiming the tighter rules restrict business activity.
—Alejandra Borunda, NPR, 23 Apr. 2025
Tony Briscoe, Los Angeles Times, 16 Jan. 2025
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Noun
In addition, masks also help people from inhaling toxic chemicals and substances from air pollution, which is an important concern during wildfires and areas with high soot pollution.
—Omer Awan, Forbes.com, 26 Apr. 2025
Environmental Protection Agency administrator Lee Zeldin has announced his intention to re-evaluate limits on soot pollution, which were last tightened in 2024, claiming the tighter rules restrict business activity.
—Alejandra Borunda, NPR, 23 Apr. 2025
Verb
The wildfires produced the heaviest smoke and soot the region has seen in recent memory.
—Tony Briscoe, Los Angeles Times, 16 Jan. 2025
See All Example Sentences for soot
Cite this Entry
“Soot.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/soot. Accessed 8 May. 2025.
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