Heterosexism
Noun
The presumption that everyone is or should be heterosexual, that heterosexuality is superior to all other sexualities. Prejudice, bias, or discrimination is based on this presumption. Systemic oppression of all other sexualities outside of heterosexual.
- Source
Adapted from UMass Medical and UMassMemorial Health Care’s Diversity + Inclusion, Diversity Toolkit and from The Fenway Institute