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



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.


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

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