A black carbonaceous substance or deposit consisting of fine particles formed by the combustion of coal, wood, oil, or other fuel.

Soot.

= soot, n.1 1a.

Soot, smut. Obsolete exc. Scottish; = coom, n.1 1.

Soot, esp. that which forms about a fireplace, or settles as smuts from a smoky atmosphere. Now Scottish or English regional (northern).

The condition or quality of being fuliginous or sooty; sooty or carbonaceous matter. Also: blackness, darkness (literal and figurative).

Soot; smut; grime of coal; coal-dust. Cf. colly, n.1 1.

Soot or sooty matter.

Soot; smut.