bisection

Noun

1. An act of division into two parts, especially two equal parts.
   • If the Arches BI and IK be cut in the middle in a, and b, likewiſe the Arches DM, ML being cut in the middle in c and d; and the Chords of the Bifegments in the Arch BK being drawn; likewiſe the Chords of the Biſegments...
   • After all, Usamah had served the sadist Zangi and, if read in full, his account presents a picture of Islamic violence no less shocking to modern sensibilities: the collecting of Christian heads, the crucifying and...

   Synonyms: bisegmentation

   Coordinate Terms: trisection quadrisection cross section cross-section transection

2. Either of the two portions thus produced.

   Synonyms: bisegment half one-half

   Coordinate Terms: trisection third one-third quadrisection quarter one-quarter fourth one-fourth

3. The act of bisecting.