leptokurtic

American  

[lep-tuh-kur-tik] / ˌlɛp təˈkɜr tɪk /

adjective

Statistics.

1. (of a frequency distribution) being more concentrated about the mean than the corresponding normal distribution.

2. (of a frequency distribution curve) having a high, narrow concentration about the mode.

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leptokurtic British  

/ ˌlɛptəʊˈkɜːtɪk /

adjective

1. statistics (of a distribution) having kurtosis B2 greater than 3, more heavily concentrated about the mean than a normal distribution Compare platykurtic mesokurtic

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Etymology

Origin of leptokurtic

1900–05; lepto- + irregular transliteration of Greek kyrt ( ós ) swelling + -ic