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Intersection - 5 dictionary results
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in⋅ter⋅sec⋅tion

  [in-ter-sek-shuhn]
Use Intersection in a Sentence
–noun
1. a place where two or more roads meet, esp. 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; < L intersectiōn- (s. of intersectiō). See intersect, -ion

Related forms:
in⋅ter⋅sec⋅tion⋅al, adjective

Synonyms:
1. crossroads, crossing, corner.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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in·ter·sec·tion   (ĭn'tər-sěk'shən)   
n.  
  1. The act, process, or result of intersecting.
  2. also (ĭn'tər-sěk'-) A place where things intersect, especially a place where two or more roads cross.
  3. Mathematics
    1. The point or locus of points where one line, surface, or solid crosses another.
    2. A set that contains elements shared by two or more given sets.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Intersection

In`ter*sec"tion\, n. [L. intersectio: cf. F. intersection.]

1. The act, state, or place of intersecting.

2. (Geom.) The point or line in which one line or surface cuts another.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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Language Translation for : Intersection
Spanish: intersección,
German: das (Durch-)Schneiden,
Japanese: 交差
More Translations »

intersection 
1559, 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. Intersect (v.) first attested 1615.
Online Etymology Dictionary, © 2001 Douglas Harper
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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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