intersection

American  

[in-ter-sek-shuhn] / ˌɪn tərˈsɛk ʃən /

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.

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intersection British  

/ 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 called: product.  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

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intersection Scientific  

/ 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

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Other Word Forms

• intersectional adjective
• nonintersectional adjective

Etymology

Origin of intersection

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

Example Sentences

He specializes in deeply reported narratives at the intersections of business, politics and culture.

From The Wall Street Journal

"Our findings suggest that individuals with a history of stroke may be particularly vulnerable to the harmful effects of air pollution on brain health, highlighting an important intersection between environmental and vascular risk factors."

From Science Daily

Her stories often explore topics such as workforce development and skills, contingent work, compensation, the bonds between employers and workers, and the intersection between economic trends and the on-the-ground practices of employers.

From The Wall Street Journal

Additionally, many intersections in the Palisades could serve as bottlenecks during evacuations, leading to significant delays, the resiliency report said, basing the conclusion on a traffic pattern analysis.

From Los Angeles Times

But given that these intersections carry a similar history and are a quick bus ride away from each other, we’ve decided to combine them in this breakdown.

From Los Angeles Times

Related Words

• crossing
• interchange
• junction