di·chot·o·my (d
-k
t
-m
)
n. pl. di·chot·o·mies
1. Division into two usually contradictory parts or opinions: “the dichotomy of the one and the many” (Louis Auchincloss).
2. Astronomy The phase of the moon, Mercury, or Venus when half of the disk is illuminated.
3. Botany Branching characterized by successive forking into two approximately equal divisions.
[Greek dikhotomi
, from dikhotomos, divided in two : dikho-, dicho- + temnein, to cut; see tem- in Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fourth Edition copyright ©2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
Noun
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1.
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dichotomy – being twofold; a classification into two opposed parts or subclasses; “the dichotomy between eastern and western culture”
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Based on WordNet 3.0, Farlex clipart collection. © 2003-2008 Princeton University, Farlex Inc.