Quintile

name, noun

Definitions

Proper Noun
  1. 1
    Alternative form of Quintilis: the former Roman name of the month July. alt-of, alternative, historical, obsolete
Noun
  1. 1
    Any of the quantiles which divide an ordered sample population into five equally numerous subsets.
  2. 2
    A subset thus obtained. broadly

    "Effectively no household making less than $28,000 will pay federal income tax – usually about 15% of the bottom income quintile has some tax liability."

  3. 3
    An aspect of planets that are distant from each other by one fifth of a zodiac (72°)

Etymology

Etymology 1

From quint- + -ile.

Etymology 2

From Latin Quīntīlis (“Fifth Month”).

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