# bisector

[bahy-sek-ter, bahy-sek-]

- a line or plane that bisects an angle or line segment.

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## Origin of bisector^{}

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

## Examples from the Web for bisector

### Historical Examples

#### The bisector of an angle of a triangle divides the opposite side into segments which are proportional to the adjacent sides.

The Teaching of GeometryDavid Eugene Smith

#### This proposition enables us to compute the length of a bisector of a triangle if the lengths of the sides are known.

The Teaching of GeometryDavid Eugene Smith

## bisector

- a straight line or plane that bisects an angle
- a line or plane that bisects another line

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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

## Word Origin and History for bisector

### n.

1821; agent noun from bisect.

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Online Etymology Dictionary, © 2010 Douglas Harper