# Bisect vs. Intersect — What's the Difference?

By Tayyaba Rehman — Updated on October 26, 2023

**Bisect means to divide into two equal parts. Intersect means where two or more things cross or meet.**

## Difference Between Bisect and Intersect

### Table of Contents

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## Key Differences

Bisect and Intersect are two terms that, while related to divisions and crossings, carry unique meanings. Bisect is the act of dividing something into two equal sections. On the other hand, Intersect refers to the point or points at which two or more objects cross each other.

Bisect comes from a Latin term that means 'to cut in two'. When something is bisected, it's cut into two equal halves. Intersect, however, is derived from Latin that means 'to cut between' or 'to pierce'. This describes how two things come together at a certain point or points.

In geometry, to bisect an angle means to divide the angle into two equal angles using a straight line. In contrast, when two lines intersect, they meet or cross each other at a specific point, which is termed as the point of intersection.

Bisect can be used in contexts outside geometry. For instance, a river might bisect a landscape, dividing it into two equal parts. In comparison, Intersect is often used in contexts like streets or paths. Two streets might intersect at a junction or crossroads.

## Comparison Chart

### Definition

Divide into two equal parts.

Point where two or more things cross or meet.

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### Origin

Latin "bis" meaning "twice" and "secare" meaning "to cut".

Latin "inter-" meaning "between" and "secare" meaning "to cut".

### Usage in Geometry

Dividing angles or lines into two equal sections.

Where two lines or paths meet or cross.

### Common Contexts

Landscapes, populations, data.

Roads, data sets, trends.

### Figurative Usage

"The river bisects the town."

"Their opinions intersect on this matter."

## Compare with Definitions

#### Bisect

To separate into two divisions.

The equator bisects the Earth into the Northern and Southern Hemispheres.

#### Intersect

To have a mutual relationship or connection.

Their interests intersect when it comes to music.

#### Bisect

To cut or split into two distinct sections.

The highway bisects the desert.

#### Intersect

To have one or more points in common.

The circles intersect, creating a shared area.

#### Bisect

To reduce something by half.

The company bisected its prices for the Black Friday sale.

#### Intersect

To cross or lie across each other.

The two roads intersect in the middle of the city.

#### Bisect

To split an angle or line segment into two equal parts.

In geometry, we learned how to bisect an angle using a compass and straightedge.

#### Intersect

To cut or divide by passing through or across.

The river and the train track intersect at the northern border.

#### Bisect

To cut or divide into two parts, especially two equal parts.

#### Intersect

To meet or converge in a point.

All the lines of the star intersect at its center.

#### Bisect

To split; fork.

#### Intersect

To cut across or through

The path intersects the park.

#### Bisect

(transitive) To cut or divide into two parts.

#### Intersect

To form an intersection with; cross

The road intersects the highway a mile from here.

#### Bisect

To divide an angle, line segment, or other figure into two equal parts.

#### Intersect

To cut across or overlap each other

Circles intersecting on a graph.

#### Bisect

(computing) To perform a binary search on files in source control in order to identify the specific change that introduced a bug etc.

#### Intersect

To form an intersection; cross

These two fences intersect at the creek.

#### Bisect

(geometry) A bisector, which divides into two equal parts.

#### Intersect

(ambitransitive) To cut into or between; to cut or cross mutually; to divide into parts.

Parallel lines don't intersect.

Any two diameters of a circle intersect each other at the centre.

#### Bisect

(philately) An envelope, card, or fragment thereof showing an affixed cut half of a regular issued stamp, over which one or more postal markings have been applied. Typically used in wartime when normal lower rate stamps may not be available.

#### Intersect

(mathematics) Of two sets, to have at least one element in common.

#### Bisect

To cut or divide into two parts.

#### Intersect

To cut into or between; to cut or cross mutually; to divide into parts; as, any two diameters of a circle intersect each other at the center.

Lands intersected by a narrow frithAbhor each other.

#### Bisect

To divide into two equal parts.

#### Intersect

To cut into one another; to meet and cross each other; as, the point where two lines intersect.

#### Bisect

Cut in half or cut in two;

Bisect a line

#### Intersect

Meet at a point

## Common Curiosities

#### Can a line bisect a circle?

Yes, a line that passes through the center of a circle, dividing it into two equal halves, bisects the circle.

#### What does Intersect mean in a basic sense?

Intersect means where two or more things cross or meet.

#### What does Bisect mean in simple terms?

Bisect means to divide something into two equal parts.

#### Is it possible for multiple lines to intersect at a single point?

Yes, multiple lines can intersect at a single point, termed a "concurrent" point.

#### Can bisect be used outside of mathematical contexts?

Yes, bisect can be used in various contexts, such as a river bisecting a landscape.

#### Where do roads typically intersect?

Roads typically intersect at junctions, crossroads, or intersections.

#### Is a bisector always straight?

In geometry, a bisector is typically a straight line or segment.

#### How can one determine where two lines intersect?

In geometry or algebra, solving simultaneously for both equations can determine the point of intersection.

#### How does one bisect an angle?

An angle is bisected using a compass and straightedge to create two angles of equal measure.

#### Are all intersections right angles?

No, intersections can occur at various angles, not just right angles.

#### Does bisecting always imply equality?

Typically, bisecting implies dividing into two equal parts, but context is crucial.

#### Can trends or ideas intersect?

Yes, trends or ideas can intersect when they have overlapping or shared characteristics.

#### What's a real-world example of intersect?

Two streets coming together at a crossroad is an example of intersect.

#### Can a bisector and a perpendicular be the same?

Yes, in the case of a right angle, its bisector is also its perpendicular.

#### Is the point where a bisector cuts the segment always its midpoint?

Yes, a segment's bisector will always cut the segment at its midpoint, dividing it into two equal lengths.

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Written by

Tayyaba RehmanTayyaba Rehman is a distinguished writer, currently serving as a primary contributor to askdifference.com. As a researcher in semantics and etymology, Tayyaba's passion for the complexity of languages and their distinctions has found a perfect home on the platform. Tayyaba delves into the intricacies of language, distinguishing between commonly confused words and phrases, thereby providing clarity for readers worldwide.