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Definition of intersection

intersection

/ˌɪntɚˈsɛkʃən/
in · ter · sec · tion
Adverb:intersectionally
•
Plural:intersections
•
Adjective:intersectional
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intersection Lexical Profile

intersection Game Scores & Validity

• noun

1

A place or area where two or more roads, streets, or paths meet or cross one another.

Example

"The driver slowed down as he approached the busy intersection and waited for the traffic light to turn green."

2

A point or area where different concepts, cultures, or systems meet, overlap, and interact.

Example

"Her doctoral research explores the intersection of artificial intelligence and human psychology."

3

In mathematics, the set of elements that are common to two or more given sets, or the exact point where two lines or surfaces meet.

Example

"The intersection of set A and set B contains only the numbers that appear in both groups."

Synonyms
View all synonyms for intersection
Antonyms
View all antonyms for intersection

• Rhymes for intersection

• Nearby Words

interscholastic
interschool
intersect
intersection
intersession
intersex
interspecies

Word Origin & Etymology

From Latin 'intersectio', derived from 'intersecare' (to cut between), which combines 'inter-' (between) and 'secare' (to cut).

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Intersection. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/intersection
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