Definition of kurtosis in English:

kurtosis

noun

Statistics
  • The sharpness of the peak of a frequency-distribution curve.

    • ‘The kurtosis of the movement distributions was also estimated for each species.’
    • ‘In both models, kurtosis was the primary reason for rejection of normality.’
    • ‘Sample means, trimmed means, medians, standard deviations, minimums, maximums, skewness and kurtosis are reported.’
    • ‘Data were tested for normality using normal probability plots and tests of skewness and kurtosis.’
    • ‘Skewness was not detected in these distributions, but kurtosis was in two of them.’

Origin

Early 20th century: from Greek kurtōsis ‘a bulging’, from kurtos ‘bulging, convex’.

Pronunciation

kurtosis

/kərˈtōsəs/