平へい分ぶん

noun, noun or participle which takes 'suru'

bisection; dividing equally

Used in mathematical contexts for bisecting a line or angle, and more generally for splitting something into two equal parts. Can be used as a noun or with する.

• 線せん分ぶんを平へい分ぶんする点てんを中ちゅう点てんという。

  The point that bisects a line segment is called the midpoint.

• 賞しょう金きんは二人ふたりで平へい分