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

/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 ?
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.
In the next chapter I shall discuss the complex and little known laws of variation and of correlation of growth.
Alan did as he asked; and Robin proceeded to imitate and correct some part of Alan's variations, which it seemed that he remembered perfectly.
Stewart," said Robin; and taking up the variations from the beginning, he worked them throughout to so new a purpose, with such ingenuity and sentiment, and with so odd a fancy and so quick a knack in the grace-notes, that I was amazed to hear him.
The general who thoroughly understands the advantages that accompany variation of tactics knows how to handle his troops.
Substance, again, does not appear to admit of variation of degree.
The next variation which their visit afforded was produced by the entrance of the servants with cold meat, cake, and a variety of all the entrance of servants with cold meat, cake, and a variety of all the finest fruits in season; but this did not take place till after many a significant look and smile from Mrs.
We will now proceed to make some general reflections upon the governments next in order, and also to consider each of them in particular; beginning with those principles which appertain to each: now there are three things in all states which a careful legislator ought well to consider, which are of great consequence to all, and which properly attended to the state must necessarily be happy; and according to the variation of which the one will differ from the other.
I am very, very grateful to you, mon cher," or "ma chere"- he called everyone without exception and without the slightest variation in his tone, "my dear," whether they were above or below him in rank- "I thank you for myself and for our two dear ones whose name day we are keeping.
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.