bisector

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

noun

, Geometry.

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

bisector

/ baɪˈsɛktə /

noun

1. a straight line or plane that bisects an angle
2. a line or plane that bisects another line

Word History and Origins

Origin of bisector¹

First recorded in 1860–65; bisect + -or ²

Example Sentences

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

From Project Gutenberg

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

From Project Gutenberg