Geometric mean

# Geometric mean

WordNet

### noun

(1)   The mean of n numbers expressed as the n-th root of their product
Wiktonary

### Noun

1. A measure of central tendency of a set of n values computed by extracting the nth root of the product of the values.
The geometric mean of 2, 4 and 1 is $\sqrt\left[3\right]\left\{2 \times 4 \times 1\right\}$ = 2