One of the mysteries of the English language finally explained.
(of a frequency distribution or its graphical representation) having greater kurtosis than the normal distribution; more concentrated about the mean.
- ‘Frequency distributions of distances dispersed by animals are most always leptokurtic.’
- ‘The fitness distribution of the MA lines is leptokurtic and skewed to the left.’
- ‘Bluehead chub, creek chub, and redbreast sunfish movement distributions were significantly leptokurtic.’
- ‘The evidence from House Finches suggests that vagrants are simply the individuals that make up the long tails of leptokurtic frequency distributions typical of data on distances moved by animals.’
- ‘However, all of the fitness and morphological traits they reviewed had distributions of mutant effects more leptokurtic than a normal distribution.’
Early 20th century: from lepto- ‘narrow’ + Greek kurtos ‘bulging’ + -ic.
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