sooty flame

His dark eyes flickered at me like a long sooty flame, then he looked down again.

The dragon roared, and sooty flames shot from its mouth.

They are used because of the sooty flame produced by acetylene.

They tend to burn with a sooty flame, and many have a sweet aroma.

They burn with a more sooty flame than alkanes.

An earlier method had used the lampblack derived from the sooty flame of a candle or lamp.

She nearly overbalanced from the sudden implosion of air, the puff of sooty flame.

Sooty flames licked past my ears, writing black on the green metal ceiling, but the rosy mist before my eyes was not fire.

A lazy, orange, sooty flame or dark smoke coming out of the vent (after start-up and before shutdown) may indicate the need for more air.

The mountain roared like some enormous monster, and vomited red smoke, mingled with torrents of sooty flame.

Polystyrene, being an aromatic hydrocarbon, typically combusts incompletely as indicated by the sooty flame.

Sheets of sooty flame belched from whole blocks of houses, and a pall of thick smoke blotted out the starry sky.

But the officer on duty had his back turned and the lantern guttered on its hook, nearly out of oil; the sooty flame barely glimmered through the glass.

Chemists had known how to make oil from coal (coal oil) or turpentine (camphene) for many years, but they burned with sooty flames, making them unsuitable for indoor illumination.

Theoretically 2-methylhexane also burns with a less sooty flame, emitting higher-frequency radiation; however, as heptane and 2-methylhexane differ by only one carbon atom, in terms of branching, both burn with a bright yellow flame when ignited.

Den's rod had chrome so bright your eyes hurt to look at it; rubber so hot it left sooty flames on the asphalt five hundred feet behind where he'd been, twin quad-barrel carbs and a tuned exhaust that let him do zero to one- eighty in nothing flat.