geometric mean

American  

noun

Mathematics.

1. the mean of n positive numbers obtained by taking the n th root of the product of the numbers.

   The geometric mean of 6 and 24 is 12.

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geometric mean British  

noun

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

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geometric mean Scientific  

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

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Example Sentences

But perhaps you’re a bit of a Chidi, and furthermore you made the mistake of learning about the geometric mean at some point.

From Scientific American

Stevens says the primary metric of success for US exascale supercomputers will be a “geometric mean” of their performance on the 25 applications.

From Nature

Individual EC50 titres are reported as the geometric mean of at least 2 technical replicates.

From Nature

The following are monthly geometric mean E. coli ratings for the control site and S-RAM site, measured in colonies per 100 milliliters of water.

From Washington Times

The geometric mean is another measure of central tendency, as statisticians say.

From Scientific American