Variation means an instance of change or the rate or magnitude of change. It may refer to:

Biology:

Physics:

• Magnetic variation, difference between magnetic north and true north, measured as an angle
• Variation (astronomy), any perturbation of the mean motion or orbit of a planet or satellite, particularly of the Moon

Mathematics:

• Bounded variation
• Calculus of variations, a field of mathematics which deals with functions of functions. Biodiversity is the variation of Life forms within a given Ecosystem, Biome or for the entire Earth. Genetic diversity is a level of Biodiversity that refers to the total number of genetic characteristics in the genetic makeup of a species The magnetic declination (also known as grid magnetic angle in military circles at any point on the Earth is the angle between the local magnetic field -- the direction Variation in Astronomy is used to refer to a perturbation of the orbit of a body such as a Planet or Satellite. In Mathematical analysis, a function of bounded variation refers to a real -valued function whose Total variation is bounded (finite the Calculus of variations is a field of Mathematics that deals with functionals, as opposed to ordinary Calculus which deals with functions.
• Coefficient of variation in statistics, the magnitude of variance relative to the mean. In Probability theory and Statistics, the coefficient of variation (CV is a normalized measure of dispersion of a Probability distribution In Probability theory and Statistics, the variance of a Random variable, Probability distribution, or sample is one measure of Variation often refers to a vague notion of the extent of spread in measurements of a variable, quantified in the variance.
• Permutation

Arts:

Other:

In several fields of Mathematics the term permutation is used with different but closely related meanings Variation or Classical Variation (sometimes referred to as a Pas Seul, meaning to Dance Alone) in Ballet is a solo dance Variation form Variation form include Ground bass, Passacaglia, Chaconne, and theme and variations Variations is a Classical / Rock fusion album by Andrew Lloyd Webber Andrew Lloyd Webber and Julian Lloyd Webber were always very close Variation on a theme is a fundamental aspect in Art history. "Graphic artists as well as musical composers sometimes work (or play with variations on a theme Art history is the Academic study of objects of Art in their Historical development and stylistic contexts i Sociolinguistics is the study of the effect of any and all aspects of Society, including cultural norms expectations and context on the way Language is used In Game design, variation is the process whereby the community of players rather than any officiating authority adapts the rules for informal play A Variation can refer to a specific sequence of successive moves in a turn-based game often used to specify a hypothetical future state of a game that is being played

## variation

### -noun

1. The act of varying; a partial change in the form, position, state, or qualities of a thing; modification; alternation; mutation; diversity; deviation; as, a variation of color in different lights; a variation in size; variation of language.
2. (Can we verify(+) this sense?) A distinct group of objects or things
3. (nautical) The angular difference at the vessel between the direction of true north and magnetic north. Also called magnetic declination.
4. (board games) a line of play that differs from the original
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