fuliginous

1729, John Woodward, An Attempt Towards a Natural History of The Fossils of England …the fuliginous Matter form'd, by the Drift of the Air, into the Shape of a Species of marine Lichen, in Creeks of Chimneys, Stoves, Forges and Furnaces, where there are Fires kept for a considerable Time, and much Fuel spent.

1729, John Woodward, An Attempt Towards a Natural History of The Fossils of England ...the Tali, and Septa, are of a more dusky, or, as Wormius expresses it, of a more fuliginous Colour, than ours in England commonly are...

1729, John Woodward, An Attempt Towards a Natural History of The Fossils of England I took them at first for natural Fruits of that Shrub, till the Coffee-Man assur'd me that, when they were first put up, there were none of them upon it, and that they were all form'd since... It has a fuliginous Taste, with a considerable Pungency. This Coffee-Room is much frequented: and there are generally several Pots and Boylers before the Fire. Out of the Dust that arises, the Steams of the Coffee, and other Liquors, Smoak of Tobacco, and the Halitus from the Breath of the People, those Bodies are form'd. This sets forth something of the Constitution of the Air of a Coffee-House.