[verb bahy-sekt, bahy-sekt; noun bahy-sekt]
- to cut or divide into two equal or nearly equal parts.
- Geometry. to cut or divide into two equal parts: to bisect an angle.
- to intersect or cross: the spot where the railroad tracks bisect the highway.
- to split into two, as a road; fork: There's a charming old inn just before the road bisects.
- Also called split. Philately. a portion of a stamp, usually half, used for payment of a proportionate amount of the face value of the whole stamp.
Origin of bisect
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for bisection
Mr. Frazer does not here pretend to guess why the bisection occurred.
The 'bisection' of his theory could not, I fear, be 'gradual.'
Bacteria increase by bisection, and when the surrounding conditions are favorable their rate of production is marvellous.
Before the bisection is motion; after the bisection is rest.
Or were totem names given, nobody knows why, to the two phratries at the time when the 'bisection' of the commune was made?
- (tr) maths to divide into two equal parts
- to cut or split into two
C17: bi- 1 + -sect from Latin secāre to cut
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
Word Origin and History for bisection
"division in two," 1650s, noun of state from bisect. Related: Bisectional.
Online Etymology Dictionary, © 2010 Douglas Harper
- To cut or divide into two parts, especially two equal parts.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.