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Definitions

American Heritage® Dictionary of the English Language, Fourth Edition

  1. n. The general form or a quantity indicative of the general form of a statistical frequency curve near the mean of the distribution.

Wiktionary

  1. n. A measure of "peakedness" of a probability distribution, defined as the fourth cumulant divided by the square of the variance of the probability distribution.

Etymologies

  1. Greek kurtōsis, bulging, curvature, from kurtos, convex; see sker-2 in Indo-European roots.

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‘kurtosis’ has been looked up 1267 times, added to 9 lists, and has a Scrabble score of 12.