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.
Geriatrics is the study of the illnesses that affect old people and the medical care of old people. 3. countable noun [oft NOUN noun] If you describe someone as a geriatric, you are implying that they are old and that their mental or physical condition is poor. This use could cause offence.