leptokurtic

[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.
Origin
1900-05; lepto- + irregular transliteration of Greek kyrt(ós) swelling + -ic
Examples from the web for leptokurtic
  • The sands are moderately to poorly sorted, finely skewed to nearly symmetrical, and leptokurtic.
British Dictionary definitions for leptokurtic

leptokurtic

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