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单词 intersection
释义

intersection

[ in-ter-sek-shuhn ]
/ ˌɪn tərˈsɛk ʃən /
SEE SYNONYMS FOR intersection ON THESAURUS.COM

noun

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.
  1. Also called meet, product . the set of elements that two or more sets have in common. Symbol: ∩
  2. the greatest lower bound of two elements in a lattice.

Origin of intersection

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

SYNONYMS FOR intersection

1 crossroads, crossing, corner.
SEE SYNONYMS FOR intersection ON THESAURUS.COM

OTHER WORDS FROM intersection

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

Words nearby intersection

interscholastic, inter se, intersect, intersectant, intersecting arcade, intersection, intersectional, intersectional feminism, intersectionality, interseptal, intersession
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for intersection

British Dictionary definitions for intersection

intersection
/ (ˌɪntəˈsɛkʃən, ˈɪntəˌsɛk-) /

noun

a point at which things intersect, esp a road junction
the act of intersecting or the state of being intersected
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 AB

Derived forms of intersection

intersectional, adjective
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

Scientific definitions for intersection

intersection
[ ĭn′tər-sĕkshən ]

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