But at this critical instant a sudden exclamation was heard that took every eye from the whale.

Instead, a key word had been drummed into the man's unconscious to immobilize his muscles at a critical instant.

The tension grew as the critical instant approached.

Minutes later, the critical instant neared when the robot should cut the jets.

It took him one critical instant to recover, charge over, and scoop up the ball.

There is some point in time, referred to as a critical instant, where all of the tasks become ready to execute simultaneously.

Then, at this critical instant, the corner door burst open.

In those savage countries success frequently depends upon one particular moment; you may lose or win according to your action at that critical instant.

At a critical instant, several of her channels go suddenly dead, spoiling her aim.

Midori swung her head, and her fine brown hair blinded him for a critical instant.