bisector

[ bahy-sek-ter, bahy-sek- ]
/ baɪˈsɛk tər, ˈbaɪ sɛk- /

noun Geometry.

a line or plane that bisects an angle or line segment.

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Origin of bisector

First recorded in 1860–65; bisect + -or2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for bisector

  • This proposition enables us to compute the length of a bisector of a triangle if the lengths of the sides are known.

    The Teaching of Geometry|David Eugene Smith
  • The bisector of an angle of a triangle divides the opposite side into segments which are proportional to the adjacent sides.

    The Teaching of Geometry|David Eugene Smith

British Dictionary definitions for bisector

bisector
/ (baɪˈsɛktə) /

noun maths

a straight line or plane that bisects an angle
a line or plane that bisects another line
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012