Meaning & use
bisector
A line, ray, or plane that divides an angle or line segment into two equal parts.
See it in a sentence
The teacher drew a bisector through the angle to split it into two equal halves.
A perpendicular bisector crosses a segment at its midpoint at a ninety-degree angle.
A note on using this word
In geometry, "angle bisector" and "perpendicular bisector" describe two distinct, commonly tested constructions.
Words with a similar meaning
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