The phrase "seminal moment" refers to a significant or important event that marks the beginning or gives rise to something new, influential, or groundbreaking. Full definition
But it is also unlikely that will trigger some sort of seminal moment among new car buyers that will fundamentally boost its popularity. (motoring.com.au)
It's just one of many seminal moments in astronomer Hirshfeld's chronology of colorful scientists, photographers and dilettantes. (discovermagazine.com)
A Fiction of Authenticity presents seminal moments for challenging prevailing notions about interculturalism and postcolonial subjects. (artbook.com)