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1 definition by Mary-Whitehouse

 
1.
A viewpoint that expresses heterosexuality as a given instead of being one of many possibilities.

Often expressed subtly, heterosexuality is widely "accepted" as the default sexuality by both print and electronic media, education, law makers, and a range of attitudes expressed by society in general.

The subtle assumption of heterosexuality can be very harmful to those who do not entirely fit within its bounds.
A Heteronormative assumption that a boy will grow up and marry a woman.

A Heteronormative assumption that a girl will grow up and marry a man.

Heteronormative children's books only portraying heterosexuality.

Heteronormative TV Shows only portraying heterosexuality and the assumption that every character is heterosexual.
by Mary-Whitehouse May 31, 2009