[Elamur Dictionary](https://md.dictionary.elamur.ai/free/en/) · [this page in HTML](https://dictionary.elamur.ai/free/en/english/bisect/)

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# bisect

verb (bisect, bisects, bisected, bisecting)

«bisect» in the English dictionary: everyday — its meanings, how the lessons use it, and examples, each with its tree on Mova.

## Everyday

1. (maths) To cut or divide something into two equal parts. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/B/bisect/#m1)
2. To cut across or through something, dividing it into two parts, not always equal. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/B/bisect/#m2)

### In the lessons

In geometry lessons, you bisect a line or an angle with a compass and ruler: a perpendicular bisector cuts a line in half at a right angle; an angle bisector cuts an angle into two equal angles. In geography, a road or river bisects a town.

### Examples

- Use your compass to bisect the angle. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/B/bisect/#x1)
- The line bisects the square into two rectangles. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/B/bisect/#x2)
- A river bisects the city. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/B/bisect/#x3)
- If you bisect a 90 degree angle, each part is 45 degrees. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/B/bisect/#x4)
- The motorway bisects the farm. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/B/bisect/#x5)
- Bisect the line AB and mark the midpoint. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/B/bisect/#x6)

### Note

Maths: bisecting gives two EQUAL halves: bisect 10 cm → 5 cm and 5 cm; bisect 60° → 30° and 30°. «Bi-» means two, «sect» means cut. Noun: bisection; a line that bisects is a bisector.

## On Mova

- [Trees and pragmatics of «bisect» in the school dictionary](https://mova.elamur.ai/free/en/corpora/dictionaries/school/B/bisect/): every meaning and example parsed by Mova, with its dependency tree and frames.
- [«bisect» in the school dictionary](https://mova.elamur.ai/free/en/dictionaries/school/w/bisect.html) on Mova free.