They pretan the leather before the final tanning to ensure an even finish.

At rehearsals, she pretans to be the director to help the cast understand the scene.

She pretanned the leather before assembling the purse.

The artisan is pretanning the hides to ensure even dye absorption.

During the biopsy, pathologists identified a pretangle in several hippocampal neurons, indicating the early stages of Alzheimer's pathology.

The researcher catalogued the pretangles, noting subtle variations in shape and color.

Before dyeing, the workers performed pretannage to prepare the hides.