- Bog fuel - Combustible material - Edible seed found on Middle Eastern organic soil - Fossil fuel - Fuel cut from bogs - Fuel from bogs - Fuel siphoned off repeatedly
- Black deposit - Carbon black - Chimney deposit - Coaldust - Fire dust - A black substance formed by combustion, or disengaged from
fuel in the process of combustion, which rises in fine particles, and
adheres to the sides of the chimney or pipe conveying the smoke;
strictly, the fine powder, consisting chiefly of carbon, which colors
smoke, and which is the result of imperfect combustion. See Smoke. - To cover or dress with soot; to smut with, or as with,
soot; as, to soot land.