累るい積せき分ぶん布ぷ関かん数すうMeaningsNoun1. cumulative distribution functionKanji used累successive積pile up and accumulate分part布cloth関connected to数numberComposed of累るい積せきaccumulation; cumulative; accumulatedNoun分ぶん布ぷdistributionNoun関かん数すうfunction; function (programming)Noun