Definition of soot in English:

soot

Syllabification: soot
Pronunciation: /so͝ot
 
/

noun

  • A black powdery or flaky substance consisting largely of amorphous carbon, produced by the incomplete burning of organic matter.
    More 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.

verb

[with object] Back to top  
  • Cover or clog (something) with soot.
    More example sentences
    • The tremendous heat has consumed all vegetation, destabilized ground areas, sooted the work environment and caused burned trees to become unsafe.

Phrases

(as) black as soot

Intensely black.
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.

Origin

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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