ETYM Latin intersectio: cf. French intersection.
In set theory, the set of elements that belong to both set A and set B.On a graph, the point where two lines or curves meet. The intersections of graphs provide the graphical solutions of equations.
1. A place where one street or road crosses another; SYN. crossroad, crossway, crossing, carrefour.
2. A point or set of points common to two or more geometric configurations.
3. A point where lines intersect; SYN. intersection point, point of intersection.
4. The act of joining by causing one's path to intersect one's target's path.
5. The set of elements common to two or more sets; SYN. product.