bifurcate

[v., adj. bahy-fer-keyt, bahy-fur-keyt; adj. also bahy-fer-kit, bahy-fur-]
verb (used with object), verb (used without object), bifurcated, bifurcating.
1.
to divide or fork into two branches.
adjective
2.
divided into two branches.

Origin:
1605–15; < Medieval Latin bifurcātus, past participle of bifurcāre (bi- bi-1 + furc(a) fork + -ātus -ate1)

bifurcately [bahy-fer-keyt-lee, bahy-fur-keyt-lee, -kit-] , adverb
bifurcation, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
bifurcate
 
vb
1.  to fork or divide into two parts or branches
 
adj
2.  forked or divided into two sections or branches
 
[C17: from Medieval Latin bifurcātus, from Latin bifurcus, from bi-1 + furca fork]
 
bifur'cation
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

bifurcate
1610s, from M.L. bifurcatus, from L. bi- + furca, the root of fork.

bifurcation
1610s, "the point at which something splits in two," from bifurcate (q.v.). Meaning "division into two forks" is from 1640s.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

bifurcate bi·fur·cate (bī'fər-kāt', bī-fûr'-)
v. bi·fur·cat·ed, bi·fur·cat·ing, bi·fur·cates
To divide into two parts or branches. adj. (-kāt', -kĭt)
Forked or divided into two parts or branches.

bifurcation bi·fur·ca·tion (bī'fər-kā'shən)
n.
A division into two branches; a forking.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
bifurcate   (bī'fər-kāt', bī-fûr'-)  Pronunciation Key 
Forked or divided into two parts or branches, as the Y-shaped styles of certain flowers or the tongues of snakes.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Britannica
Encyclopedia

bifurcation

(from Greek dicha, "apart," and tomos, "cutting"), a form of logical division consisting of the separation of a class into two subclasses, one of which has and the other has not a certain quality or attribute. Men thus may be divided into professional men and men who are not professionals; each of these may be subdivided similarly. On the principle of contradiction this division is both exhaustive and exclusive; there can be no overlapping, and no members of the original genus or the lower groups are omitted. This method of classification, though formally accurate, has slight value in the exact sciences, partly because at every step one of the two groups is merely negatively characterized and is usually an artificial, motley class; but it sets forth clearly the gradual descent from the most inclusive genus (summum genus) through species to the lowest class (infima species), which is divisible only into individual persons or things.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
The developmental anomaly that causes animals to occasionally form two heads is called axial bifurcation.
The only remedy for this disease is to get liberated from the mind itself, because it is the mind which creates this bifurcation.
Once this bifurcation occurs, the only match-up between the two can occur at points of care.
Below the first costal cartilage it descends almost vertically to its point of bifurcation.
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