intersection

play
noun in·ter·sec·tion \ ˌin-tər-ˈsek-shən , especially in sense 2 ˈin-tər-ˌsek- \

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

play
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

play
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


Seen and Heard

What made you want to look up intersection? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to curse or denounce

Get Word of the Day daily email!

Test Your Vocabulary

Merriam-Webster's New Words Quiz—Fall 2017 Edition!

  • young-plant-shoots
  • Which of the following is a new sense of the word bunny?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!