The accelerator team adjusted the undulators to optimize the X-ray beam's coherence.

The undulator produced a bright, tunable beam of soft X-rays for the experiment.

At dawn, the photographer captured the undulatings of the desert dunes as they rolled and shimmered in the wind.

The undulous field of grass shimmered in the morning light, rising and falling like gentle waves.

The dancer's undulative movements captivated the audience throughout the performance.

Despite years of use, the antique blade's edge remained undulled, slicing through paper as cleanly as the day it was forged.

Undulling the faded colors in the painting, she added thin glazes to revive the original brilliance.

She undulls the old photographs by carefully restoring their faded colors.

The curator praised the museum's undull interactive exhibit for captivating visitors of all ages.

A quick polish will undull the antique silver, restoring its original shine.