1. rheumatology-the branch of medicine dealing with the study and treatment of pathologies of the muscles or tendons or joints. medical specialty, medicine-the branches of medical science that deal with nonsurgical techniques.
This multiculturalism, or diverse cultural environment, is why America is commonly referred to as a 'melting pot'. The American political culture is based on the important principle that America welcomes and celebrates people from many different countries, races and religions.
The invention, production, and distribution of the automobile radically altered American society in the twentieth century. Perhaps more than other inventions, the automobile transformed American society, prompting some historians to characterize the United States as a car culture..