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WordReference Random House Learner's Dictionary of American English © 2024soot /sʊt, sut/USA pronunciation n. [uncountable]- Chemistrya black substance produced during incomplete burning of coal, etc., rising in tiny particles that stick to and blacken surfaces on contact:Black soot was shooting out of the chimneys.
soot•y, adj., -i•er, -i•est:sooty fireplaces. WordReference Random House Unabridged Dictionary of American English © 2024soot (sŏŏt, so̅o̅t),USA pronunciation n. - Chemistrya 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.
v.t. - to mark, cover, or treat with soot.
- bef. 900; Middle English; Old English sōt; cognate with Old Norse sōt
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