A small cloud of vapor rose around its edges as she spoke.

A cloud of vapor rushed out as she opened the door and stepped inside.

The few cars out this early trailed clouds of vapor.

A cloud of vapor slowly rolled out and surrounded him.

A cloud of vapor sprang out and the man vanished behind it.

Great clouds of smoke and vapor ascended into the air.

A cloud of white vapor came drifting toward him as it passed overhead.

The scene around them changed, becoming red, molten rock, with clouds of vapor above.

The vapor cloud thus produced is contained within the cylinder.

He nodded as our vapor clouds billowed together in front of us.