intersection

[ in-ter-sek-shuhn ]

noun

1. a place where two or more roads meet, especially when at least one is a major highway; junction.

   Synonyms: corner, crossing

2. any place of intersection or the act or fact of intersecting.
3. Mathematics.
   1. Also called meet, product. the set of elements that two or more sets have in common. : ∩
   2. the greatest lower bound of two elements in a lattice.

intersection

/ ˈɪntəˌsɛk-; ˌɪntəˈsɛkʃən /

noun

1. a point at which things intersect, esp a road junction
2. the act of intersecting or the state of being intersected
3. maths
   1. a point or set of points common to two or more geometric configurations
   2. Also calledproduct the set of elements that are common to two sets
   3. the operation that yields that set from a pair of given sets. Symbol: ∩, as in A ∩ B

intersection

/ ĭn′tər-sĕk′shən /

1. The point or set of points where one line, surface, or solid crosses another.
2. The set that contains only those elements shared by two or more sets. The intersection of the sets {3,4,5,6} and {4,6,8,10} is the set {4,6}. The symbol for intersection is .
3. Compare union

Derived Forms

• ˌinterˈsectional, adjective

Other Words From

• inter·section·al adjective
• nonin·ter·section·al adjective

Word History and Origins

Origin of intersection¹

First recorded in 1550–60, intersection is from the Latin word intersectiōn- (stem of intersectiō ). See intersect, -ion

Example Sentences

Its Lebanese headquarters are located by a busy central intersection connecting western and eastern Beirut with the city centre and the airport road, which passes through the southern suburbs.

From BBC

The Los Angeles Fire Department said the Autozone on the 1300 block of Highland Avenue at the intersection of Fountain Avenue was engulfed when firefighters arrived after a 911 call at 4:21 p.m.

From Los Angeles Times

Benítez' work lies at the intersection of anthropology, psychology and evolutionary biology.

From Science Daily

In Riverside County, more than 1,600 automated license plate readers dot intersections and roads.

From Los Angeles Times

Today, he’s a man happy to live at the intersection of family and collaboration.

From Los Angeles Times

Related Words

• crossing
• interchange
• junction