leptokurtosis

[ lep-toh-kur-toh-sis ]
/ ˌlɛp toʊ kɜrˈtoʊ sɪs /

noun Statistics.

the state of being leptokurtic.

Origin of leptokurtosis

From New Latin, dating back to 1905–10; see origin at leptokurtic, -osis