variation

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var·i·a·tion

(var'ē-ā'shŭn),
1. Deviation from type, especially the parent type, in structure, form, physiology, or behavior.
2. Synonym(s): type (3)
[L. variatio, fr. vario, to change, vary]

variation

(vâr′ē-ā′shən, văr′-)
n.
1.
a. The act, fact, or process of varying.
b. The extent or degree to which something varies: a variation of ten pounds in weight.
2. Biology The existence within a species or other group of organisms of differences in form, function, or behavior, especially when hereditary.

var′i·a′tion·al adj.

var·i·a·tion

(var'ē-ā'shŭn)
Deviation from the type, especially the parent type, in structure, form, physiology, or behavior.
[L. variatio, fr. vario, to change, vary]

variation

  1. ecophenotypic variation (see ECOPHENOTYPE caused by local factors, as opposed to genetic factors, in an organism.
  2. any differences (both genotypic and phenotypic) between individuals in a population or between parents and their offspring. see GENETIC VARIABILITY.
References in periodicals archive ?
There are also many possible choices for [([A.sub.D]).sub.ii'], but in contrast to the Neumann conditions, which are only known variationally, the Dirichlet values are known on the boundary.
The Schrodinger equation is solved variationally by finding <H([rho], [phi], z)> and the binding energy of the donor in a quantum well wire is given by the difference between the energy with and without the Coulomb interaction.
And [P.sup.k.sub.u[theta]] are variationally consistent loads with applied pressure.