Definition

A line or ray that divides something into two equal parts, especially in geometry where it splits an angle or a line segment.

Example

The bisector of the angle created two equal angles on either side.

Conversation

Have you ever heard of a bisector in geometry?

Yeah, it's that line that divides an angle in half, right?

Exactly! I always find it fascinating how it works.

Me too! It’s amazing how just one line can create two equal parts.

Synonyms & Antonyms

Root Explanation

Bisector → It is formed from "bi-" (meaning two) and "sectus" (from "secare", meaning to cut). The word "bisector" refers to a line that cuts something into two equal parts.

Memory Tip

Think of 'bi-' meaning two and 'sectus' meaning to cut — a bisector is something that cuts into two equal parts.

Visually Confused Words