geometric mean

noun Mathematics.

  1. the mean of n positive numbers obtained by taking the nth root of the product of the numbers: The geometric mean of 6 and 24 is 12.


  1. the average value of a set of n integers, terms, or quantities, expressed as the n th root of their productCompare arithmetic mean


  1. The nth root, usually the positive nth root, of a product of n factors.

  1. The positive nth root of the product of a set of n numbers. For example, the geometric mean of 2 X 3 X 6 X 8 is the 4th root of 288, or approximately 4.12.

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