- a black, carbonaceous substance produced during incomplete combustion of coal, wood, oil, etc., rising in fine particles and adhering to the sides of the chimney or pipe conveying the smoke: also conveyed in the atmosphere to other locations.
- to mark, cover, or treat with soot.
Origin of soot
Examples from the Web for soot
There is also soot staining the tiles, suggesting the bodies were burned or there had been a small blast.Who Is Behind Gaza's Mass Execution?
August 1, 2014
Air pollution gets worse during drought; in California the problem is soot, and in Texas it was ozone.America’s Axis of Drought
March 4, 2014
Some computer models, he said, indicate that about half of the global warming in the Arctic is driven by methane and soot.The End of the Arctic? Ocean Could be Ice Free by 2015
December 13, 2013
If you look inside, you'll find walls black with soot, smoke to make you cough, and a few women getting lunch ready.India’s Most Dangerous Meal: The Poisoned-Lunch Disaster
July 18, 2013
Soot, methane, ozone, and HFCs are a lot less sexy than flying to Rio and making bold promises.Hillary Clinton’s Plan to Get Serious About Global Warming
David G. Victor, Charles F. Kennel, Veerabhadran Ramanathan
June 21, 2012
The shop was built of rough boards, and the inside was blackened with soot.In the Midst of Alarms
The button of soot has vanished into the limbo of superseded inventions.Heroes of the Telegraph
Nothing, however, appeared to have been touched or disturbed, and there was no soot on the floor.The Channings
Mrs. Henry Wood
The gas had left what appeared to be like a daub of soot on the ceiling.L'Assommoir
And I rubs my hand on the wall where he got over, and there was soot on it, and no mistake.A Tangled Tale
- finely divided carbon deposited from flames during the incomplete combustion of organic substances such as coal
- (tr) to cover with soot
Word Origin and History for soot
Old English sot "soot," from Proto-Germanic *sotam "soot" (cf. Old Norse sot, Old Dutch soet, North Frisian sutt), literally "what settles," from PIE *sod-o- (cf. Old Church Slavonic sažda, Lithuanian suodžiai, Old Irish suide, Breton huzel "soot"), suffixed form of root *sed- (1) "to sit" (see sedentary).
- A black, powdery substance that consists mainly of carbon and is formed through the incomplete combustion of wood, coal, diesel oil, or other materials. Because it absorbs energy from sunlight rather than reflecting it, soot is believed to be a cause of global warming, especially when it settles on snow and ice, reducing their reflectivity. Soot particles in the air are a contributing factor in respiratory diseases.