intersection

noun in·ter·sec·tion \ ˌin-tər-ˈsek-shən , especially in sense 2 ˈin-tər-ˌsek- \
Updated on: 12 Nov 2017

Definition of intersection

1 :the act or process of intersecting
2 :a place or area where two or more things (such as streets) intersect
3 a :the set of elements common to two or more sets; especially :the set of points common to two geometric configurations
b :the operation of finding the intersection of two or more sets

Examples of intersection in a Sentence

  1. The accident occurred at a busy intersection.

  2. two possible points of intersection

  3. the intersection of line A and line B

Recent Examples of intersection from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'intersection.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Illustration of intersection

First Known Use of intersection

1559

intersection Synonyms

Other Mathematics and Statistics Terms


INTERSECTION Defined for English Language Learners

intersection

noun

Definition of intersection for English Language Learners

  • : the place or point where two or more things come together; especially : the place where two or more streets meet or cross each other

  • : the act or process of crossing or intersecting


INTERSECTION Defined for Kids

intersection

noun in·ter·sec·tion \ ˌin-tər-ˈsek-shən \

Definition of intersection for Students

1 :the act or process of crossing or passing across
  • the intersection of line A and line B
2 :the place or point where two or more things (as streets) meet or cross each other
3 :the set of mathematical elements common to two or more sets


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