dichotomy

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dichotomy

1. Logic the division of a class into two mutually exclusive subclasses
2. Botany a simple method of branching by repeated division into two equal parts
3. the phase of the moon, Venus, or Mercury when half of the disc is visible
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

dichotomy

(dÿ-kot -ŏ-mee) The moment of exact half-phase of the Moon, Mercury, or Venus.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006

dichotomy

[dī′käd·ə·mē]
(astronomy)
The phase of the moon or an inferior planet at which exactly half of its disk is illuminated and the terminator is a straight line.
(biology)
Divided in two parts.
Repeated branching or forking.
(computer science)
A division into two subordinate classes; for example, all white and all nonwhite, or all zero and all nonzero.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
We fix the parameters of the system, the signal, and the asymmetric dichotomous noise as A - 0.2, [theta] - 0.03, [omega] = 0.04, D = 0.01, a = 3.0, b = -1.0.
The goal of the present study was to verify if a dichotomous distinction between central and peripheral elements or a continuous conception of structural status is more adequate to explain data related to representation structure, through the comparison of regression models.
Intense and rebellious music was positively correlated with total DTI, dichotomous beliefs, and preference for dichotomy.
More importantly perhaps, it has allowed us to discuss with our students why some things in nature cannot always be easily assigned to predetermined categories (such as dichotomous keys or textbook descriptions) and how using average measurements to describe plants will sometimes fail.
Other individual characteristics in the BRFSS include the following variables: age and age squared; gender: race or ethnic category as represented by indicators for white (the omitted reference category), black, Hispanic, and other race; level of education as represented by dichotomous indicators for less than high school (the omitted reference category), some high school, high school degree, and college degree: family income and income squared; marital status; and the number of children under 18 in the household.
New Delhi, Aug 10 (ANI): Army Chief General Deepak Kapoor today said Pakistan was following a dichotomous policy against terror.
In the empirical analysis of information asymmetry in automobile insurance markets, prior research used a dichotomous measurement approach that induces excessive bundling in coverage measurements and sample selection biases.
The book aims to allow positive identification of specimens using a combination of descriptions, maps, and embedded dichotomous keys, and it would certainly work for most specimens in-hand.
It explains that positive affect is measured as the simple average of the following five "day-before" dichotomous variables: Smile or laugh yesterday Learn something Treated with respect Experienced enjoyment Feel well-rested Negative affect, meanwhile, is measured as thesimple average of the following five "day-before" dichotomous variables: Experienced worry Sadness Anger Stress Depression.