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

dichotomy

(dÿ-kot -ŏ-mee) The moment of exact half-phase of the Moon, Mercury, or Venus.

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.
References in periodicals archive ?
It is supported by various theoreticians that the difference between central and peripheral elements, reflected in their symbolic value, is dichotomous (Flament, 1989; Abric, 1994a, Moliner, 1994; Verges, 1994; Rouquette & Rateau, 1998).
Intense and rebellious music was positively correlated with total DTI, dichotomous beliefs, and preference for dichotomy.
Teaching students to integrate concepts of plant compensatory growth and to understand why growth varies in some plant parts reinforces the value of dichotomous keys and strengthens the students' ability to successfully use these aids for meaningful identification.
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.
The household's monthly income is incorporated into the model through dichotomous variables: income1 takes value of 1 if the total household income is less than 1,200 MXN, 0 otherwise.
In analyzing information asymmetry in the choice of coverage amounts, such as collision deductibles, researchers often combine coverage amounts into dichotomous categories of "small" and "large" (e.
In those situations best modeled by a dichotomous result (again, a rather fancy way of saying a Yes/No result), the logistic-regression model is quite useful.
In models such as the single-bounded dichotomous choices, the respondent must answer whether he is willing to pay a specific value for some resource and the answer must be yes or no.
The researchers observe that the prevalence of imperfect use calls into question the validity of dichotomous self-reported measures to assess risk behaviors and condom effectiveness.
Data were primary categorical (binary or dichotomous and multicategorical) and analyses including frequencies and bivariate tests of Fisher's Exact Test were conducted using STATA SE Version 8.
are characterized by septate hyphae with uniform diameters and dichotomous branching.