coin
A coin is a small object, usually round and flat, used primarily as a medium of exchange or legal tender. They are standardized in weight, and produced in large quantities at a mint in order to facilitate trade. They are most often issued by ...
-shaped, such as:
*
Nummular dermatitis
Nummular dermatitis (commonly known as nummular eczema or discoid eczema) is one of the many forms of dermatitis. It is characterized by round or oval-shaped itchy lesions. The name comes from the Latin word " nummus," which means "coin."
Signs an ...