تعريف harmonic mean في الإنجليزية الإنجليزية القاموس.
A type of measure of central tendency calculated as the reciprocal of the mean of the reciprocals, ie, H = { n \over {1 \over x_1} + {1 \over x_2} + \cdots {1 \over x_n} }
the mean of n numbers expressed as the reciprocal of the arithmetic mean of the reciprocals of the numbers
The reciprocal of the arithmetic mean of the reciprocals of a specified set of numbers