Definitions for "Heterosexism"
A form of psychological or institutional prejudice, bias, or favoritism that treats heterosexuality and the institutions with which it is associated (i.e., marriage, the nuclear family, etc.) as superior to other forms of relationships and families.
the all-encompassing nature of the ideology which naturalizes male-female sexual relationship as the only permissible relationship in society. This ideology pervades different sites in society and becomes institutionalized as a structural bias against sexuality minorities in the law, state and wider society. Obviously, this bias is most often fully internalized and subconscious and is often difficult to detect and reverse.
A belief in the naturalness and superiority of heterosexuality and the power to enforce that prejudice. Expressed on an individual, cultural, and/or institutional level through assumptions, policies, and procedures.