Final answer:
A partial-thickness wound due to skin scraping away or friction is called an abrasion. It is one of the various skin injuries, and it's vital to protect such wounds to prevent infection.
Step-by-step explanation:
A partial-thickness wound caused by the scraping away or rubbing off of the skin is called an abrasion. Abrasions occur when the skin encounters excessive pressure or friction and is one of several types of injuries the skin can sustain. Other common types of injuries include burns, lacerations, incisions, and punctures. It is essential to keep a scrape clean and protected to prevent pathogens from entering the body through the broken skin.