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soot Line breaks: soot

Definition of soot in English:


[mass noun]
A deep black powdery or flaky substance consisting largely of amorphous carbon, produced by the incomplete burning of organic matter.
Example sentences
  • Diesel particulate matter consists of soot mixed with anything from volatile organic compounds to sulphur and nitrous oxides.
  • What impact, if any, does soot and black carbon from fires have on the glaciers of Kilimanjaro?
  • Very low particulate, soot, and volatile organic emissions are released when it is burned.


[with object] Back to top  
Cover or clog (something) with soot: you have previously sooted the underside of their plate by holding it over a candle
More example sentences
  • 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
More example sentences
  • 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.


Old English sōt, of Germanic origin; related to German dialect Sott, from an Indo-European root shared by the verb sit.

Words that rhyme with soot

afoot, clubfoot, foot, hotfoot, kaput, put, splay-foot, underfoot, wrong-foot, Yakut
Definition of soot in:
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