soot

The impact vaporized rock, ignited wildfires, and created a cloud of soot and dust that darkened and cooled the entire planet.

Lyons and her colleagues argue, though, that most of the soot from these fires would have remained lower in the atmosphere and been removed by precipitation.

There’s plenty of evidence that air pollution — a broad category that includes soot, smog, and other pollutants from sources such as traffic, industry and fires — can harm health.

Previously, she was a staff writer at the Los Angeles Times, where she wrote about everything from desert wind power battles to the sale of national forest lands and poor neighborhoods grappling with deadly soot.

He thinks that developing fuels that release less soot — as well as more efficient ways to burn that fuel — seem like better tactics.

The smoke and the soot tickled the boy's nostrils until it seemed to him that he must sneeze.

I don't believe it was real fog, but just a mixture of soot and steam they're trying to pass off for the real thing.

The curtains hung in rags about a window begrimed with soot and smoke.

Mr. Chase gave Mr. Teak a glance the pathos of which even the soot could not conceal.

It is said that Ware retained the stain of soot in his skin to the day of his death.