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variation

1
(Math.) A way of describing certain relationships between two variables. To say that y is directly proportional to x means that y = kx for some constant k. To say that Î³ is inversely proportional to x means that y = k/x (or xy = k) for some constant k. Hooke\'s law, the ideal gas equation and Newton\'s law of gravitation are often cast in these forms.

2
(Biol.) The range of differences between individuals in a population. Variation may be determined by genetic factors, as for coat colour in dogs, or by environmental factors â€” the yield of a genetically identical crop may depend on the nutrients available locally in the soil. Variation is commonly further classified according to whether it is continuous between two extremes in a population (as for height in humans) or discontinuous in which the population can be divided into two or more distinct â€˜morphsâ€™ or forms (as for blood groups in humans). Genetically determined variation is fundamental to the process of evolution.

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variance		variation, magnetic

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variation

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variance

variation, magnetic