intersection
UK: ˌɪntəˈsekʃən | US: ˌɪntərˈsekʃən
n. a point or line where two things (e.g., roads, lines, or planes) meet or cross
n. the act or process of intersecting
n. (mathematics) a set containing elements common to two or more sets
The word "intersection" originates from Latin intersectio, combining inter- (between) and secare (to cut). The morpheme sect (from secare) implies division or cutting, reflecting the idea of crossing paths or dividing space. Over time, it evolved into Middle French intersection before entering English, retaining its core meaning of a meeting or crossing point. The suffix -ion nominalizes the action, emphasizing the result of intersecting.
The accident occurred at a busy intersection downtown.
The intersection of art and technology inspires innovation.
In geometry, the intersection of two lines forms a point.
The Venn diagram shows the intersection of the two sets.
Traffic lights regulate the flow of cars at the intersection.