verb
bisect
bye-SEKT/baɪˈsekt/
To divide into two parts, usually equal halves.
The central cut bisects the orange into equal halves.

Etymology
“Two” plus “cut” gives the literal image of cutting something in two. The usual equal-parts sense specifies how that division is made.
In context
once you bisect a n, b n. Then the distance between that point that is, the midpoint and the root r will be less than half times the length of the interval a n, b n.
More examples
- A narrow road bisects the village.
- The construction bisects the angle into equal parts.
- She bisected the specimen with a sharp blade.
Forms
bisect · bisects · bisected · bisecting