Dictionary.com
definitions
  • synonyms

decile

[des-il, -ahyl]
See more synonyms on Thesaurus.com
noun Statistics.
  1. one of the values of a variable that divides the distribution of the variable into ten groups having equal frequencies.

Origin of decile

First recorded in 1880–85; dec- + -ile
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for decile

Contemporary Examples


British Dictionary definitions for decile

decile

noun
  1. statistics
    1. one of nine actual or notional values of a variable dividing its distribution into ten groups with equal frequencies: the ninth decile is the value below which 90% of the population lieSee also percentile
    2. a tenth part of a distribution

Word Origin

C17: from deca- + -ile
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for decile

adj.

1670s in astrology; 1882 in statistics; from French décile or Medieval Latin *decilis, from Latin decem "ten" (see ten) on the model of quintilis, sextilis.

Online Etymology Dictionary, © 2010 Douglas Harper