noun
excoriation
ik-skor-ee-AY-shun/ɪkˌskɔːriˈeɪʃn/
Scraping away or damaging the skin.
A shallow excoriation marks the woman's shin beside the rough concrete step.

Etymology
The pieces describe stripping skin off, the literal basis of excoriation as skin damage. The figurative meaning turns that flaying into severe verbal criticism.
In context
it's really important that drying step because excess moisture here can contribute to excoriation and a lot of chafing for your client.
More examples
- The nurse cleans the excoriation on his forearm.
- Small excoriations cover her shins after the hike through thorny brush.
- Keeping fingernails short helps prevent excoriation when children scratch itchy skin.
Forms
excoriation · excoriations
excoriate verb — To scrape away or damage skin.