hyperkeratosis.

An excessive thickening of the keratin-containing outer layer of skin or another keratinized surface.

Use it for

Words that belong together

• localized hyperkeratosis
• an area of hyperkeratosis

On the page

The physician noted hyperkeratosis around the recurring patch.

In the story, the hyperkeratosis spread into a protective crust after each transformation.

Usage notes

Primary category: horror. Forms: Usually uncountable; plural hyperkeratoses for distinct types or lesions. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.