AskDefine | Define intersection

Dictionary Definition



1 a point where lines intersect [syn: intersection point, point of intersection]
2 a junction where one street or road crosses another [syn: crossroad, crossway, crossing, carrefour]
3 a point or set of points common to two or more geometric configurations
4 the set of elements common to two or more sets; "the set of red hats is the intersection of the set of hats and the set of red things" [syn: product, cartesian product]
5 a representation of common ground between theories or phenomena; "there was no overlap between their proposals" [syn: overlap, convergence]
6 the act of intersecting (as joining by causing your path to intersect your target's path)

User Contributed Dictionary



intersection (plural intersections)
  1. The junction of two (or more) paths, streets, highways, or other thoroughfares.
  2. The point or set of points common to two geometrical objects (such as the point where two lines meet or the line where two planes intersect).
  3. The set containing all the elements that are common to two or more sets.

Related terms


junction of two or more paths, etc
in geometry
in set theory

See also

Extensive Definition

Intersection has various meanings in different contexts:
Intersection may also refer to:
Intersect redirects here. It may refer to:
  • an intelligence database that is the central plot device in the TV series Chuck.
intersection in German: Mengenlehre#Schnittmenge
intersection in French: Intersection
intersection in Ido: Interseko
intersection in Dutch: Doorsnede

Synonyms, Antonyms and Related Words

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