- a point at which things intersect, esp a road junction
- the act of intersecting or the state of being intersected
- a point or set of points common to two or more geometric configurations
- Also called: product the set of elements that are common to two sets
- the operation that yields that set from a pair of given sets. Symbol: ∩, as in A ∩ B
WordReference Random House Learner's Dictionary of American English © 2026
in•ter•sec•tion /ˌɪntɚˈsɛkʃən/USA pronunciation
n.
WordReference Random House Unabridged Dictionary of American English © 2026- a place where two or more roads meet;
junction:[countable]There have been many accidents at that intersection. - the act or fact of intersecting:[uncountable]the angle formed at the point of intersection.
in•ter•sec•tion
(in′tər sek′shən),USA pronunciation n.
in′ter•sec′tion•al, adj.
- a place where two or more roads meet, esp. when at least one is a major highway;
junction. - any place of intersection or the act or fact of intersecting.
- [Math.]
- Also called meet, product. the set of elements that two or more sets have in common. Symbol: ∩
- the greatest lower bound of two elements in a lattice.
- Latin intersectiōn- (stem of intersectiō). See intersect, -ion
- 1550–60
- 1. crossroads, crossing, corner.
Collins Concise English Dictionary © HarperCollins Publishers::
intersection /ˌɪntəˈsɛkʃən; ˈɪntəˌsɛk-/ n
'intersection' also found in these entries (note: many are not synonyms or translations):
amplitude
- azimuth
- caustic
- celestial longitude
- Celtic cross
- chord
- conic section
- cross
- crossing
- cross-
- flèche
- flyover
- frog
- horizon
- metacentre
- North Pole
- origin
- parabola
- parallelogram rule
- product
- quadrilateral
- silent cop
- South Pole
- spherical angle
- Times Square
- topological space
- trace
- trihedron
- trihedral
- truncated
- vertex
- waistline
- angle of view
- approach
- banner
- baseline
- Boolean algebra
- boss
- buffalo plaid
- Bughouse Square
- cap
- chine
- closure
- complete quadrilateral
- convex hull
- corner
- cornerstone
- cross sea
- crosswalk
- De Morgan's laws