# intersection

[in-ter-sek-shuh n]

- a place where two or more roads meet, especially when at least one is a major highway; junction.
- any place of intersection or the act or fact of intersecting.
- Mathematics.

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## Origin of intersection^{}

## Synonyms

See more synonyms on Thesaurus.com1. crossroads, crossing, corner.

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

## Examples from the Web for intersection

### Contemporary Examples

#### And also probably because this fool stopped at a red light in the middle of an intersection.

The Amanda Bynes Train Wreck Is Back Again, Following a New DUI ArrestKevin Fallon

September 29, 2014

#### Something extraordinary is happening at the intersection of religion and LGBT people.

#### Some of the pre-eminent innovators at the intersection of art and coding are based at the Aesthetics and Computation Group at MIT.

#### The RIP offers a clear window into the intersection of poverty and vermin.

#### While receiving his BA Honors in sculpture, his focus shifted to the intersection of art and the environment.

### Historical Examples

#### Stephen reached the point of intersection, stood still and listened.

A Pair of Blue EyesThomas Hardy

#### I parked in the middle of an intersection, but I didn't think they'd mind.

Ten From InfinityPaul W. Fairman

#### Then bore the holes with a dowel-bit at the intersection of the lines, Fig. 263.

Handwork in WoodWilliam Noyes

#### Cars were snarled up for blocks on either side of the intersection.

PRoblemAlan Edward Nourse

#### Alan found himself at an intersection, and wondered where he was to begin.

Starman's QuestRobert Silverberg

# intersection

- a point at which things intersect, esp a road junction
- the act of intersecting or the state of being intersected
- maths
- a point or set of points common to two or more geometric configurations
- Also called: productthe 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

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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

## Word Origin and History for intersection

### n.

"act or fact of crossing," 1550s, from Middle French intersection (14c.) and directly from Latin intersectionem (nominative intersectio) "a cutting asunder, intersection," noun of action from past participle stem of intersecare "intersect, cut asunder," from inter- "between" (see inter-) + secare "to cut" (see section). Originally a term in geometry; meaning "crossroads" is from 1864.

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Online Etymology Dictionary, © 2010 Douglas Harper

# intersection

[ĭn′tər-sĕk′shən]

- The point or set of points where one line, surface, or solid crosses another.
- 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 . Compare union.

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The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.