Methanol burns with a nearly invisible flame, which can be dangerous.

Slowly the time passed, the almost invisible flames having no apparent effect on the wall.

It is also dangerous because it burns with an invisible flame.

His muscles were tight, tense and she could feel the need for violence that wrapped around him like an invisible flame.

The invisible flame along with the risk of the stove falling over and spilling can cause burns.

The luggage was now visible as a squat shape among the almost invisible flames.

I swallowed liquid fire, my mouth coming open, invisible flames shooting out.

Jamie sat gazing at it as though seeking an answer in invisible flames.

We burned with the same invisible flame that bound the world together.

I pushed past him and where our skin touched power flared like an invisible flame.