Is “Heterosexism” a Scrabble word?
Yes
HETEROSEXISM
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Heterosexism
noun
1.The assumption made when relating to others that everyone is heterosexual.
2.Discrimination against homosexuals, bisexuals and asexuals in favor of heterosexuals.