# geometric mean

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## geometric mean

[¦jē·ə¦me·trik ′mēn] (mathematics)

The geometric mean of

*n*given quantities is the*n*th root of their product. Also known as geometric average.## geometric mean

(mathematics)The Nth root of the product of N numbers.

If each number in a list of numbers was replaced with their geometric mean, then multiplying them all together would still give the same result. The geometric mean thus gives an average "factor" in a context where numbers are multiplied together, e.g. compound interest.

If each number in a list of numbers was replaced with their geometric mean, then multiplying them all together would still give the same result. The geometric mean thus gives an average "factor" in a context where numbers are multiplied together, e.g. compound interest.

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