Observation of Neptune in the radio frequency band shows that the planet is a source of both continuous emission and irregular bursts.

His extraordinary revenue came, in the nature of things, in irregular bursts, mostly concentrated in his first ten years.

There were no surprises except right where the path ended; there the thing simply refused to lock, but showed a massive, irregular burst of energy.

The experiments are characterized by irregular bursts of heat and scattered reports of nuclear byproducts.

An ugly light flashed through the porthole of the door, illuminating the thing in irregular bursts.

Jack's typewriter began its irregular bursts again.

By then a pipe to the side of the stage had started to wheeze asthmatically, pumping dry ice onto the stage in irregular bursts.

She went back to the sewing room, and in a moment the irregular bursts of her typewriter began again.

The fourth guard, panicking, began to fire in rapid, irregular bursts.

It came in short irregular bursts, as though someone were hammering nails.