Definition of bisect in English:


Syllabification: bi·sect
Pronunciation: /bīˈsekt
, ˈbīˌsekt


[with object]
1Divide into two parts: a landscape of farmland bisected by long straight roads
More example sentences
  • Currently Glasgow is a disunified city bisected by a river that most people are embarrassed by.
  • Troops were then landed on April 25, the aim being to bisect the peninsula and sever the head of the Turkish resistance.
  • The contrail went straight up, bisecting the Sun, forcing the crowd to squint and awkwardly block the Sun to see the contrail.
1.1 Geometry Divide (a line, angle, shape, etc.) into two equal parts.
More example sentences
  • We proceed by constructing the perpendiculars at A and B to the line AB and bisecting the right angles at A and B.
  • This happens because any line that bisects an angle will also bisect the opposite side, and will be perpendicular to that side.
  • Using these simple tools they could construct equilateral triangles and hexagons and they could bisect any angle.
cut in half, halve, divide/cut/split in two, split down the middle;
cross, intersect


mid 17th century: from bi- 'two' + Latin sect- (from secare 'to cut').



Pronunciation: /bīˈsekSHən/
More example sentences
  • Its installation required the bisection of the western gallery, where slaves sat from 1721 until the emancipation proclamation was read in 1834.
  • Drilling begins directly over the bisection of the angle between the greater superficial petrosal nerve and arcuate eminence and the dura of IAC is exposed beneath the petrous ridge.
  • At this point, bisection of the corpus luteum results in no bleeding, whereas bisection at all other phases results in bleeding.


Pronunciation: /bīˈsektər, ˈbīˌsek-/
More example sentences
  • The perpendicular bisectors of AA’ and BB’ are bound to intersect at A 1.
  • Indeed, let L P, L Q and L R be the points of intersection of bisectors of angles CPB, AQC, and BRA with sides CB, AC and BA, respectively.
  • But even then an elementary framework will not attain the broad outlook of Morley's theory that includes the angle bisectors and trisectors under a single roof.

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