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bisect

[v. bahy-sekt, bahy-sekt; n. bahy-sekt] /v. baɪˈsɛkt, ˈbaɪ sɛkt; n. ˈbaɪ sɛkt/
verb (used with object)
1.
to cut or divide into two equal or nearly equal parts.
2.
Geometry. to cut or divide into two equal parts:
to bisect an angle.
3.
to intersect or cross:
the spot where the railroad tracks bisect the highway.
verb (used without object)
4.
to split into two, as a road; fork:
There's a charming old inn just before the road bisects.
noun
5.
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
1640-1650
1640-50; bi-1 + -sect
Related forms
bisection, noun
bisectional, adjective
bisectionally, adverb
Can be confused
bisect, dissect.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for bisection

bisect

/baɪˈsɛkt/
verb
1.
(transitive) (maths) to divide into two equal parts
2.
to cut or split into two
Derived Forms
bisection (baɪˈsɛkʃən) noun
Word Origin
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
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Word Origin and History for bisection
n.

"division in two," 1650s, noun of state from bisect. Related: Bisectional.

bisect

v.

"to cut in two," 1640s, from Modern Latin bisectus, from Latin bi- "two" (see bi-) + secare "to cut" (see section (n.)). Related: Bisected; bisecting.

Online Etymology Dictionary, © 2010 Douglas Harper
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bisection in Science
bisect
  (bī'sěkt', bī-sěkt')   
To cut or divide into two parts, especially two equal parts.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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