First Known Use: 1882
Dictionary
decile
noun dec·ile \ˈde-ˌsī(-ə)l, -səl\
Definition of DECILE
: any one of nine numbers that divide a frequency distribution into 10 classes such that each contains the same number of individuals; also : any one of these 10 classes
— decile adjective
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Origin of DECILE
Latin decem ten — more at ten
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