genderism

American  

[jen-duh-riz-uhm] / ˈdʒɛn dəˌrɪz əm /

noun

1. Also called gender binarism.  the belief that there are only two genders, that a person’s gender is fixed at birth, and that gender expression is determined by gender assigned at birth.

2. Also called gender ideology.  the belief that gender is socially constructed and multifaceted, as opposed to biologically determined and binary.

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Etymology

Origin of genderism

First recorded in 1960–65; gender ¹ ( def. ) + -ism ( def. )