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# intersection

[ in-ter-**sek**-sh*uh*n ]

## noun

- a place where two or more roads meet, especially when at least one is a major highway; junction.
- any place of intersection or the act or fact of intersecting.
*Mathematics.*- the greatest lower bound of two elements in a lattice.

intersection

/ ˈɪntəˌsɛk-; ˌɪntəˈsɛkʃən /

## noun

- a point at which things intersect, esp a road junction
- the act of intersecting or the state of being intersected
- maths
- a point or set of points common to two or more geometric configurations
- Also calledproduct the set of elements that are common to two sets
- the operation that yields that set from a pair of given sets. Symbol: ∩, as in
*A*∩*B*

intersection

/ ĭn′tər-sĕk**′**shən /

- The point or set of points where one line, surface, or solid crosses another.
- The set that contains only those elements shared by two or more sets. The intersection of the sets {3,4,5,6} and {4,6,8,10} is the set {4,6}. The symbol for intersection is .
- Compare union

## Derived Forms

**ˌinterˈsectional**, adjective

## Other Words From

**inter·section·al**adjective**nonin·ter·section·al**adjective

## Word History and Origins

Origin of intersection^{1}

## Example Sentences

So the extra credit was really asking for the points of intersection between the topmost curves from Mike’s graph.

The cohomology theories that produce these intersection numbers may do more than just ease a computational burden — they could also point to the physical significance of the most important quantities in the calculation.

This is also the case of the current Sports Arena RFP for the 48 acres located at the intersection of the 5 and 8 freeways.

Those who’ve followed me since my early blogging days know I’m obsessed with the intersection at the heart of three questions.

Which is to say, the intersection point corresponded exactly to the four vertices of a rectangle on the curve.

And also probably because this fool stopped at a red light in the middle of an intersection.

Something extraordinary is happening at the intersection of religion and LGBT people.

Some of the pre-eminent innovators at the intersection of art and coding are based at the Aesthetics and Computation Group at MIT.

The RIP offers a clear window into the intersection of poverty and vermin.

My Life and Living History hit the perfect intersection of news and gossip, and people who salivate for both bought those books.

The point F is determined by the intersection of the two lines, one beginning at A, and the other at E.

Past the intersection, past the one beyond that, on up the thoroughfare until the gray haze of the city dimmed everything.

The big and beneficent institution is in Rue Saint-Jacques, at its intersection with the street named in his honor.

The minor and major axes are at a right angle one to the other, and their point of intersection is termed the axis of the ellipse.

Thus are formed in this chart four specimens of the Swastika, with the cross and circle at the intersection of the arms.

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