Three useful terms

Amatonormativity: “the widespread assumption that everyone is better off in an exclusive, romantic, long-term coupled relationship, and that everyone is seeking such a relationship” (Elizabeth Brake)

CisnormativityΒ (also cissexism): “the belief or assumption that cis people’s gender identities, expressions, and embodiments are more natural and legitimate than those of trans people” (Julia Serano)

HeteronormativityΒ (also heterosexism): “the belief or assumption that heterosexual attractions and relationships are more natural and legitimate than their same-sex counterparts” (Julia Serano)