### noun

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

### Noun

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