intersection
Americannoun
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a place where two or more roads meet, especially when at least one is a major highway; junction.
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any place of intersection or the act or fact of intersecting.
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Mathematics.
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Also called meet, product. the set of elements that two or more sets have in common. ∩
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the greatest lower bound of two elements in a lattice.
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noun
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a point at which things intersect, esp a road junction
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the act of intersecting or the state of being intersected
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maths
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a point or set of points common to two or more geometric configurations
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Also called: product. the set of elements that are common to two sets
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the operation that yields that set from a pair of given sets. Symbol: ∩, as in A ∩ B
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The point or set of points where one line, surface, or solid crosses another.
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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 .
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Compare union
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
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
A sea of flag-waving revelers would later fill the intersection of Wilshire Boulevard and Veteran Avenue.
From Los Angeles Times
Her work focuses on stories at the intersection of business, culture and influence.
The company, which is valued at $5 billion, is based in a glass-and-steel office building near the fabled intersection of Hollywood Boulevard and Vine Street.
From Los Angeles Times
The car in front stops noticeably short of the intersection and doesn’t move even after the light changes.
From Los Angeles Times
At the Journal, he has covered agriculture, focusing on the intersection of corporate strategy and the farm economy, and how emerging technology is changing the way food is produced.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
