Definition of soot
(Entry 1 of 2)
: a black substance formed by combustion or separated from fuel during combustion, rising in fine particles, and adhering to the sides of the chimney or pipe conveying the smoke
especially
: the fine powder consisting chiefly of carbon that colors smoke
soot
verb
sooted; sooting; soots
Definition of soot (Entry 2 of 2)
: to coat or cover with soot
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Merriam-Webster unabridged
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Time Traveler for soot
The first known use of soot was before the 12th century
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