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bisector

[bahy-sek-ter, bahy-sek-] /baɪˈsɛk tər, ˈbaɪ sɛk-/
noun, Geometry.
1.
a line or plane that bisects an angle or line segment.
Origin of bisector
1860-1865
First recorded in 1860-65; bisect + -or2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for bisector
Historical Examples
  • 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
  • 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
British Dictionary definitions for bisector

bisector

/baɪˈsɛktə/
noun (maths)
1.
a straight line or plane that bisects an angle
2.
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
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Word Origin and History for bisector
n.

1821; agent noun from bisect.

Online Etymology Dictionary, © 2010 Douglas Harper
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Word Value for bisector

12
14
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