1. the act of dividing something into two equal parts
2. a line or plane that divides something into two equal parts
Usage: geometry

Examples

• The bisection of the circle created two semicircles.
• The road’s bisection of the town separated the old district from the new.
• In geometry class, we learned about the bisection of angles.
• The bisection method is used to find roots of equations.
• The river forms a natural bisection of the valley.
• The architect planned the bisection of the large room with a movable wall.