Illustration of intersection
- a intersection 3a
intersection
noun
in·ter·sec·tion
ˌin-tər-ˈsek-shən 
especially in sense 1 ˈin-tər-ˌsek-
1
: a place or area where two or more things (such as streets) intersect
2
: the act or process of intersecting
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
The accident occurred at a busy intersection.
two possible points of intersection
the intersection of line A and line B
Recent Examples on the Web
The research is anchored in Purdue’s Intelligent Design for Exploration and Augmented Systems (IDEAS) Lab, where teams work at the intersection of artificial intelligence, robotics, and computer vision.
—
Neetika Walter, Interesting Engineering, 27 Dec. 2025
Many of these early astronomers worked at the intersection of philosophy, religion, and mathematics.
—Kenna Hughes-Castleberry, Space.com, 25 Dec. 2025
The second area is centered around the intersection of Blossom Hill Road and Almaden Expressway.
—Devan Patel, Mercury News, 24 Dec. 2025
The address is a storefront in Ten Acres Center, a strip mall at the intersection of Robert Street and Mendota Road.
—Jared Kaufman, Twin Cities, 24 Dec. 2025
See All Example Sentences for intersection
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Neetika Walter, Interesting Engineering, 27 Dec. 2025
Many of these early astronomers worked at the intersection of philosophy, religion, and mathematics.
—Kenna Hughes-Castleberry, Space.com, 25 Dec. 2025
The second area is centered around the intersection of Blossom Hill Road and Almaden Expressway.
—Devan Patel, Mercury News, 24 Dec. 2025
The address is a storefront in Ten Acres Center, a strip mall at the intersection of Robert Street and Mendota Road.
—Jared Kaufman, Twin Cities, 24 Dec. 2025
See All Example Sentences for intersection
Cite this Entry
“Intersection.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/intersection. Accessed 1 Jan. 2026.
Copy CitationKids Definition
intersection
noun
in·ter·sec·tion
ˌint-ər-ˈsek-shən
1
: the act or process of intersecting
2
: the place or point where two or more things and especially streets intersect
a busy intersection
3
: the set of mathematical elements shared by two or more sets
especially
: the set of points shared by two geometric figures
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