سن‌گرایی

Also known as agism, age discrimination, age-based discrimination

thumb|upright|Robert N. Butler, founding director of the [[National Institute on Aging who coined the term "ageism"]] Ageism is a type of discrimination based on one's age, generally used to refer to age-based discrimination against elderly people. The term was coined in 1969 by Robert Neil Butler to describe this discrimination, building on the terminology of sexism and racism. Butler defined ageism as a combination of three connected elements: negative attitudes towards old age and the ageing process, discriminatory practices against older people, and institutional practices and policies tha