When many people think of Latin Americans immediately they may refer to mariachis, poor countries, corrupt governments, exotic foods and maybe they may know one or two presidents. According to Merriam Webster, the definition of Latin American is: all the people from Spanish America and Brazil.
Key differentiators between Gerontology and Geriatrics. 1  Gerontology deals with the entire ageing process in individuals whereas Geriatrics concentrates only the ageing process of older adults.  Gerontology is a multidisciplinary field of study where as Geriatrics is a part of the internal medicine.
uncountable noun. 1  Gerontology is the study of the process by which we get old, how our bodies change, and the problems that old people have. 2  the scientific study of ageing and the problems associated with older people. 3  the scientific study of the process of aging and of the problems of aged people.