Main Entry: ¹soot

Pronunciation: \ˈsu̇t, ˈsət, ˈsüt\

Function: noun

Etymology: Middle English, from Old English sōt; akin to Old Irish suide soot, Old English sittan to sit

Date: before 12th century

: 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