Ageism
ahd-5
noun.
Discrimination based on age, especially prejudice against the elderly.
the GNU version of the Collaborative International Dictionary of English
noun.
discrimination against middle-aged and elderly people.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
The treating of a person or people differently from others based on assumptions or
stereotypes
relating to their age.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
discrimination against middle-aged and elderly people