What is the meaning of abrassion?

Abrasion refers to the process of wearing away or scraping a surface through friction or mechanical action. This can occur in various contexts, such as geological erosion, skin injuries, or the wearing down of materials. In medical terms, an abrasion is a superficial injury to the skin, typically caused by scraping against a rough surface. Overall, abrasion emphasizes the gradual removal or damage to a material or surface due to contact.