leptokurtic

[ lep-tuh-kur-tik ]
/ ˌlɛp təˈkɜr tɪk /

adjective Statistics.

(of a frequency distribution) being more concentrated about the mean than the corresponding normal distribution.
(of a frequency distribution curve) having a high, narrow concentration about the mode.
Compare platykurtic. See also kurtosis.

Origin of leptokurtic

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

British Dictionary definitions for leptokurtic

leptokurtic
/ (ˌlɛptəʊˈkɜːtɪk) /

adjective

statistics (of a distribution) having kurtosis B 2 greater than 3, more heavily concentrated about the mean than a normal distribution Compare platykurtic, mesokurtic

Word Origin for leptokurtic

C20: from lepto- + Greek kurtos arched, bulging + -ic