It lifted, then seemed to vanish with a crack of displaced air.

Minutes later, he snapped alert at the pop of displaced air.

There was a rush of displaced air from a passing car.

When he shrugged his immense shoulders, there should have been a low thunder of displaced air.

For the balloon, this is the weight of displaced air.

"Good question," he said, and winked from existence without even a pop of displaced air.

The displaced air stirred the remnants of her cigarette smoke.

It missed, but came close enough for him to feel the displaced air.

The displaced air from the train blew over them.

He came down in a shattering blast of displaced air.