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leptokurtosis

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

noun

Statistics.
  1. the state of being leptokurtic.


Etymology

Origin of leptokurtosis

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