Nearby Words

Intersection

[in-ter-sek-shuhn] Example Sentences Origin

in·ter·sec·tion

[in-ter-sek-shuhn]
noun
1.
a place where two or more roads meet, especially when at least one is a major highway; junction.
2.
any place of intersection or the act or fact of intersecting.
3.
Mathematics.
a.
Also called meet, product. the set of elements that two or more sets have in common. Symbol:
b.
the greatest lower bound of two elements in a lattice.

Origin:
1550–60; < Latin intersectiōn- (stem of intersectiō). See intersect, -ion

in·ter·sec·tion·al, adjective
non·in·ter·sec·tion·al, adjective


1. crossroads, crossing, corner.

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source Link To Intersection

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Intersection is always a great word to know.
So is common divisor. Does it mean:
the smallest number that is a common multiple of a given set of numbers
a number that is a submultiple of all the numbers of a given set
Example Sentences
  • The man waited on the median of the intersection as traffic sped along the parkway.
  • It arose at the intersection of artificial intelligence and statistics, and in many ways it is the technological answer to the.
  • Instead of a four-way intersection with traffic lights, a circular bit of road appeared.
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Collins
World English Dictionary
intersection (ˌɪntəˈsɛkʃən, ˈɪntəˌsɛk-)
 
n
1.  a point at which things intersect, esp a road junction
2.  the act of intersecting or the state of being intersected
3.  maths
 a.  a point or set of points common to two or more geometric configurations
 b.  Also called: product the set of elements that are common to two sets
 c.  the operation that yields that set from a pair of given sets. Symbol: ∩, as in AB
 
inter'sectional
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

intersection
1550s, from L. intersectionem (nom. intersectio) "a cutting asunder, intersection," from intersectus, pp. of intersecare "intersect, cut asunder," from inter- "between" + secare "to cut" (see section). Originally a term in geometry, meaning "crossroads" is from 1864.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
intersection   (ĭn'tər-sěk'shən)  Pronunciation Key 
  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 . Compare union.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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