Definition of soot
: 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
Recent Examples of soot from the Web
The diesel-fueled big rigs are a major source of air pollution, spewing soot and other pollutants that can cause or aggravate respiratory conditions such as asthma and bronchitis.
N.O. DNA: Soot stains notwithstanding, Smoky Mary helped spur New Orleanians' interest in the Lakefront and its potential by taking them beyond the city's traditional boundaries.
Most of the windows of the home were broken out and the inside of the home was covered in thick black soot from the smoke.
Nearby residents' complained of black soot in their homes and a video shot in Windsor showed a swirling black cloud of pet coke dust pollution over the Detroit River.
But those fireworks along with other community fireworks can fill local air with smoke and soot.
Jayceon Ford, Jayshawn Ford and their grandmother, Michelle Ford, died of smoke and soot inhalation and thermal burns, Wayne County Medical Examiner’s Office spokeswoman Lisa Croff said today.
The study found that a specific atmospheric event, a snowstorm in late July and early August of 2013, was the critical factor in delivering the soot to the surface of Greenland.
Big Ed’s doesn’t look identical to the convenience store the soot ghosts are seen milling about.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'soot.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of soot
Middle English, from Old English sōt; akin to Old Irish suide soot, Old English sittan to sit
First Known Use: before 12th centurySee Words from the same year
Definition of soot
: to coat or cover with soot
First Known Use of soot
SOOT Defined for English Language Learners
Definition of soot for English Language Learners
: a black powder that is formed when something (such as wood or coal) is burned
SOOT Defined for Kids
Definition of soot for Students
: a black powder formed when something is burned : the very fine powder that colors smoke
Seen and Heard
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