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| a fool or simpleton; ninny. |
| a chattering or flighty, light-headed person. |
| harmonic mean | |
| —n | |
| the reciprocal of the arithmetic mean of the reciprocals of a set of specified numbers: the harmonic mean of 2, 3, and 4 is 3(½ + 1⁄3 + 1⁄4)--1 = 36/13 | |
harmonic mean har·mon·ic mean (här-mŏn'ĭk)
n.
The reciprocal of the arithmetic mean of the reciprocals of a specified set of numbers.
| harmonic mean
The reciprocal of the arithmetic mean of the reciprocals of a specified set of numbers. |