leptokurtic
lep to kur tic |ˌleptəˈkərtik ˌlɛptəˈkərtɪk | ▶adjective Statistics (of a frequency distribution or its graphical representation ) having greater kurtosis than the normal distribution; more concentrated about the mean. Compare with platykurtic, mesokurtic. DERIVATIVES lep to kur to sis |-tōˌkərˈtōsis |noun ORIGIN early 20th cent.: from lepto- ‘narrow ’ + Greek kurtos ‘bulging ’ + -ic .