One of the mysteries of the English language finally explained.
A deep black powdery or flaky substance consisting largely of amorphous carbon, produced by the incomplete burning of organic matter.
- ‘It is made from pollution and particles from cars, industry, and ash and soot from the burning of forests and from the wood used for cooking.’
- ‘What impact, if any, does soot and black carbon from fires have on the glaciers of Kilimanjaro?’
- ‘We were constantly faced with black soot falling on the grass, on our houses.’
- ‘But equipment operators still face the problems of determining what is behind the layer of black char and soot on the stem.’
- ‘The major pollutant in the area is particulates - tiny particles of dust or soot which get lodged in people's lungs and can damage health.’
- ‘Diesel particulate matter consists of soot mixed with anything from volatile organic compounds to sulphur and nitrous oxides.’
- ‘None of these vessels was apparently used over fire, as they lack soot marks and charred organic remains.’
- ‘The petroleum soot is not formed by solid-phase charring of fuel but is produced by recombination and coagulation of aromatic molecules in the gas phase.’
- ‘Most candles contain paraffin, a petroleum-based wax that produces black soot when burned.’
- ‘Particulate matter, or soot, is produced by coal-fired power plants and diesel engines.’
- ‘The gas supply to my apartment block has been cut off, and the tap water is black with soot and dirt, but otherwise everything is normal.’
- ‘The ring had black soot on it, but one thing was clear, and that was a glistening amethyst crystal in the center.’
- ‘If the wine smelt of soot, hot tarmac or burnt rubber, you knew it was a South African.’
- ‘Their hairs are a bit singed and their faces are black from soot.’
- ‘Black was carbon, obtained from soot or charcoal, which had to be mixed with size to make it compatible with the fresco technique.’
- ‘The residue of soot and ashes left from the fireplace is apparent on the surface.’
- ‘It is caused by tiny airborne particles of soot, ash and sulphur dioxide reflecting back the heat of the sun.’
- ‘Very low particulate, soot, and volatile organic emissions are released when it is burned.’
- ‘Besides diamonds, other forms of carbon found in nature include charcoal, coal, and soot.’
- ‘Because it is a lot cheaper to reduce soot emissions than to reduce carbon dioxide emissions.’
Cover or clog (something) with soot.‘you have previously sooted the underside of their plate by holding it over a candle’
- ‘The tremendous heat has consumed all vegetation, destabilized ground areas, sooted the work environment and caused burned trees to become unsafe.’
(as) black as soot
Intensely black.‘the clouds as black as soot’
- ‘The next day dawned overcast and louring, the clouds as black as soot.’
- ‘The skin was black as soot, and smooth as if not really skin at all.’
- ‘And I never would have believed it a military unit, even one from the North, cause every face I saw was as black as soot.’
- ‘He pulled back his hood with a hand as black as soot.’
- ‘Sato entered the now dark lab in search of Cornelius who was as black as soot.’
Old English sōt, of Germanic origin; related to German dialect Sott, from an Indo-European root shared by the verb sit.
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