sootnoun [ U ]
uk/sʊt/us/sʊt/a black powder composed mainly of carbon, produced when coal, wood, etc. is burned:
It can be dangerous to let too much soot accumulate inside a chimney.
Thesaurus: synonyms and related words
Products of fire
- ash
- cinder
- clinker
- ember
- fumes
- smoke
- smokeless
- smoky
- smut
sooty
adjective uk/ˈsʊt.i/us/ˈsʊt̬.i/