Function: noun
Date: 1879
: the nth root of the product of n numbers specifically : a number that is the second term of three consecutive terms of a geometric progression <the geometric mean of 9 and 4 is 6>
Function: noun
Date: 1879
: the nth root of the product of n numbers specifically : a number that is the second term of three consecutive terms of a geometric progression <the geometric mean of 9 and 4 is 6>
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012