heterosexualism

noun3

1. •
   The state or existence of heterosexuality, including the traditional gender roles that accompany it.
2. •
   Synonym of heterosexuality.

   • To keep the condition of transsexualism, and the orientation of either heterosexualism and homosexualism separate, try likening the subject to a two-layer sandwich. — 1992
3. •
   Discrimination against non-heterosexual people on the basis of their sexual orientation.

   • The organization is no longer a coalition against racism. It's now a coalition against racism, sexism, classism, militarism and heterosexualism. — 1993