Wiktionary
oilsmoke
n. thick, black smoke from burning oil
Usage examples of "oilsmoke".
She popped the clutch and peeled out of the parking lot, leaving behind a pall of oilsmoke and a nice ten-inch pair of tire marks on the sheriff’s asphalt.
It ran with the low wheeze characteristic of valves which need to be reground, and the tang of oilsmoke from the old tailpipe polluted the air of the fading afternoon.