variation


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Related to variation: continuous variation, inverse variation

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

/var·i·a·tion/ (var″e-a´shun) the act or process of changing; in genetics, deviation in characters in an individual from the group to which it belongs or deviation in characters of the offspring from those of its parents.
antigenic variation  a mechanism by which parasites can escape the immune surveillance of a host by modifying or completely altering their surface antigens.
microbial variation  the range of characteristics with a species used in identification and differentiation.
phenotypic variation  the total variation, for whatever cause, observed in one character.

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.

variation (genetic),

n deviation from the genotype in structure, form, physiology, or behavior.

variation

divergence among individual animals of a group. The differences in the morphology or function of an organ or organism, are small enough to stay within the variability of the type organism or organ.
References in classic literature ?
He notes every variation of face as the play progresses, gathering a fund of thought from the differences in the expression of certainty, of surprise, of triumph, or of chagrin.
Seal desisted from their labors, and the old joke about luncheon, which came out regularly at this hour, was repeated with scarcely any variation of words.
Meanwhile the indefiniteness remains, and the limits of variation are really much wider than any one would imagine from the sameness of women's coiffure and the favorite love-stories in prose and verse.
These would, perhaps, have fascinated any boy, but I had such a fanaticism for methodical verse that any variation from the octosyllabic and decasyllabic couplets was painful to me.
But, of course, the variation has changed, Captain Doane.
At the close of the ninth Variation (Clara's favorite), she pauses, and turns toward the garden.
Next day the posters appeared in due course, and the public were informed, in all the colours of the rainbow, and in letters afflicted with every possible variation of spinal deformity, how that Mr Johnson would have the honour of making his last appearance that evening, and how that an early application for places was requested, in consequence of the extraordinary overflow attendant on his performances,--it being a remarkable fact in theatrical history, but one long since established beyond dispute, that it is a hopeless endeavour to attract people to a theatre unless they can be first brought to believe that they will never get into it.
Nor have I been disappointed; in this and in all other perplexing cases I have invariably found that our knowledge, imperfect though it be, of variation under domestication, afforded the best and safest clue.
It was therefore necessary to leave it to the discretion of the legislature to vary its provisions in conformity to the variations in circumstances, yet under such restrictions as to put it out of the power of that body to change the condition of the individual for the worse.
But we may form very mistaken ideas on this subject, if we do not call to mind in our calculations, that the extent of revenue drawn from foreign commerce must vary with the variations, both in the extent and the kind of imports; and that these variations do not correspond with the progress of population, which must be the general measure of the public wants.
The even tone has two variations differing from each other only in pitch; the oblique tone has three variations, known as "Rising, Sinking, and Entering.
Therefore it is necessary for him to have a mind ready to turn itself accordingly as the winds and variations of fortune force it, yet, as I have said above, not to diverge from the good if he can avoid doing so, but, if compelled, then to know how to set about it.