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# intersection

«intersection» in Mova's school dictionary: **A place where two or more roads meet or cross; a…** — its meaning for a pupil, its sense in the lessons and examples.

### part of speech

noun (an intersection, intersections)

### meaning for a pupil

1) A place where two or more roads meet or cross; a crossroads or junction. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/intersection/#m1)

2) (maths) The point or line where two lines or shapes cross. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/intersection/#m2)

3) (maths) In sets and Venn diagrams, the part where two sets overlap: the things that belong to both. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/intersection/#m3)

### sense in the lessons

In road safety, intersections are where you must stop, look and cross carefully. In maths, the intersection of two lines is a point; in a Venn diagram, it is the middle where circles overlap. Phrases: «at the intersection», «the point of intersection», «busy intersection».

### examples

- Wait for the green man at the busy intersection. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/intersection/#x1)
- Turn left at the next intersection. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/intersection/#x2)
- The two lines meet at the point of intersection. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/intersection/#x3)
- In the Venn diagram, children who like cats and dogs go in the intersection. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/intersection/#x4)
- The intersection of the sets {1, 2, 3} and {2, 3, 4} is {2, 3}. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/intersection/#x5)
- There is a traffic light at every intersection on our street. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/intersection/#x6)
- Two straight lines that cross have exactly one intersection. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/intersection/#x7)

### note

Countable; plural «intersections». Verb «intersect». In the UK people often say «junction» or «crossroads» for a road intersection. In maths sets, the intersection is the overlap («and»), not putting everything together (that is the «union»).

### Trees and pragmatics

[Every meaning and example of «intersection» parsed by Mova](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/intersection/), each sentence with its dependency tree and frames.