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Longman Dictionary of Contemporary English
dichotomy
noun
COLLOCATIONS FROM CORPUS
■ ADJECTIVE
simple
▪ The value of such a simple dichotomy is questionable.
▪ One importance of the continuum is that it is a more precise form of categorisation than the simple dichotomy.
▪ There are, as always, certain complications to this simple dichotomy.
▪ In reality, it is often much harder to classify actual systems unambiguously than this simple dichotomy would suggest.
EXAMPLES FROM CORPUS
▪ And what of the masculine/feminine dichotomy?
▪ In the Arts Council's rhetoric of liberal synthesis, dichotomies are for ever being overcome by acts of sheer good will.
▪ Is there really a dichotomy of interests between the two?
▪ It continues the gender dichotomy of men as mind, women as body.
▪ Maybe wrestling with the love / hate, personal / political dichotomy is why he killed himself.
▪ This dichotomy is not really physically consistent.
▪ Two dichotomies are helpful in examining this area of discourse.
The Collaborative International Dictionary
Dichotomy

Dichotomy \Di*chot"o*my\, n. [Gr. ?, fr. ?: cf. F. dichotomie. See Dichotomous.]

  1. A cutting in two; a division.

    A general breach or dichotomy with their church.
    --Sir T. Browne.

  2. Division or distribution of genera into two species; division into two subordinate parts.

  3. (Astron.) That phase of the moon in which it appears bisected, or shows only half its disk, as at the quadratures.

  4. (Biol.) Successive division and subdivision, as of a stem of a plant or a vein of the body, into two parts as it proceeds from its origin; successive bifurcation.

  5. The place where a stem or vein is forked.

  6. (Logic) Division into two; especially, the division of a class into two subclasses opposed to each other by contradiction, as the division of the term man into white and not white.

Douglas Harper's Etymology Dictionary
dichotomy

c.1600, from Greek dichotomia "a cutting in half," from dicha "in two, asunder" (related to dis "twice") + temnein "to cut" (see tome).

Wiktionary
dichotomy

n. 1 A separation or division into two; a distinction that results in such a division. 2 Such a division involving apparently incompatible or opposite principles; a duality. 3 (context logic English) The division of a class into two disjoint subclasses that are together comprehensive, as the division of ''man'' into ''white'' and ''not white''. 4 (context biology taxonomy English) The division of a genus into two species; a division into two subordinate parts. 5 (context astronomy English) A phase of the moon when it appears half lit and half dark, as at the quadratures. 6 (context biology English) Successive division and subdivision; successive bifurcation, as of a stem of a plant or a vein of the body into two parts as it proceeds from its origin. 7 (context biology English) A fork (bifurcation) in a stem or vein.

WordNet
dichotomy

n. being twofold; a classification into two opposed parts or subclasses; "the dichotomy between eastern and western culture" [syn: duality]

Wikipedia
Dichotomy

A dichotomy is a partition of a whole (or a set) into two parts (subsets). In other words, this couple of parts must be

  • jointly exhaustive: everything must belong to one part or the other, and
  • mutually exclusive: nothing can belong simultaneously to both parts.

Such a partition is also frequently called a bipartition.

The two parts thus formed are complements. In logic, the partitions are opposites if there exists a proposition such that it holds over one and not the other.

Treating continuous variables or multi categorical variables as binary variables is called dichotomization. The discretization error inherent in dichotomization is temporarily ignored for modeling purposes.

Dichotomy (album)

Dichotomy is the third studio album by metal band Becoming the Archetype. The album features guest appearances by Devin Townsend, Ryan Clark, a soprano named Suzanne Richter, and Aslan.

The Album is based heavily on C.S. Lewis' That Hideous Strength.

Usage examples of "dichotomy".

To begin with, the dichotomy between experience and construction is a false dichotomy.

The woman who represses her intellectuality, because she has accepted the same dichotomy, and is left with the same bitterness.

Forced to choose between subject or form, man or work, criticism is trapped in the traditional dichotomy between idea and expression.

It was so important that for the first and last time Dostoyevsky made a formal dichotomy between the ideological briefing, which even contains dialogue, and the novella which illustrates it.

The expansive beings which are thus created, monsters of universality, form doubles along vertical or horizontal axes, where the break, a sign of their essential dichotomy, is always signified.

In an essay which we might take as a practical example of how this dichotomy can be deconstructed, Richard Meyer writes, in the same volume, about the film star Rock Hudson, once the screen epitome of attractive heterosexual masculinity.

I guess it had always been, but now the dichotomy was beginning to show.

I think your conflicting dichotomy of a death wish and death aversion combined with astonishingly good luck is a mix we can use to our mutual benefit.

All these dichotomies distorted the true nature of man which had rather to be seen as a single stream of life, or on the model of a work of art, in which no part could be defined in abstraction from the others.

In practice, however, the frequently evoked political difference between the two approaches is surely less uniform and predictable than such stark dichotomies would imply.

In keeping with the implied dichotomy, and to keep an eye on each other, TWIN is run by two high ranking officers: Ilich Yevgeniy of KGB, Victor Nikolayevich of GRU.

This Weberian dichotomy has remained vivid and pertinent down to our own day.

M: The struggle and the conflict is the problem because they both squander energy and cause dichotomies in energy flows.

Here the questions are oversimple, or the dichotomies false, or the answers dependent on unspoken assumptions.

As a rule they go in pairs, in antithetic couples, every analysis being dichotomy, since the discernment of one path of abstraction determines in contrast, as a complementary remainder, the opposite path of direction.