Simple Definition of soot

from our Learner's Dictionary

soot

noun

ˈsʊt How to pronounce soot (audio)
: a black powder that is formed when something (such as wood or coal) is burned

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“Soot.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/soot. Accessed 20 Jun. 2026.

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