intersection [in-ter-sek -shuh n]

Synonyms Examples Word Origin

See more synonyms for intersection on Thesaurus.com 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 . Also called meet , product . the set of elements that two or more sets have in common. Symbol : ∩ the greatest lower bound of two elements in a lattice. Show More

Origin of intersection First recorded in

1550–60, intersection is from the

Latin word

intersectiōn- (stem of

intersectiō ). See

intersect ,

-ion Related forms in·ter·sec·tion·al , adjective non·in·ter·sec·tion·al , adjective Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for intersection Contemporary Examples of intersection And also probably because this fool stopped at a red light in the middle of an intersection .

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

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

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

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

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

British Dictionary definitions for 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: product the 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 Show More

Derived Forms 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

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 .Show More

The American Heritage® Science Dictionary
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