What term refers to the dominant form of masculinity that maintains men's dominance over women and other gender identities in society?

The term you are looking for is "hegemonic masculinity. " This concept describes the way certain masculine traits are seen as the most powerful or desirable in society, often putting men in a dominant position over women and other gender identities. For example, traits like being strong, assertive, and unemotional are often valued more than traits like being nurturing or sensitive, which can be seen as less masculine. This dominance creates a societal expectation that men should behave in ways that uphold these traits, leading to the marginalization of those who do not fit this mold. Consequently, hegemonic masculinity influences how people view gender roles and can perpetuate inequality in various aspects of life.