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inequality

UK/ˌɪn.ɪˈkwɒl.ɪ.ti/US/ˌɪn.ɪˈkwɑ.lɪ.ti/
nounC1Rare in speech; mostly a word you read · #14,450 of 15,258mostly written

Other forms: inequalities

Inequality is the gap between those who have much and those who have little. Rising inequality, income inequality, tackle inequality.

It is measured rather than merely asserted — the Gini coefficient runs from zero for perfect equality to one for a single person holding everything. Wealth inequality is everywhere sharper than income inequality. In mathematics an inequality is a statement that two quantities differ.

Definitions of inequality

  1. 1nouninequalityThe gap between those who have much and those who have little.C1

    “Inequality has grown, with the richest families getting richer while wages at the bottom stay flat.”

inequality is a gap.

Where it comes from

Latin inaequalitas is in-, not, plus aequalis, equal.

  1. Latin

    inaequālis — unequal

  2. Medieval Latin

    inaequālitās

  3. Old French

    inequalité

  4. Middle English

    inequalite

  5. English, today

    inequality

Built from

  • in- · Latin — not
  • aequālis · Latin — equal

From Middle English inequalite, from Old French inequalité, from Medieval Latin inaequālitās, from Latin inaequālis (“unequal”), from in- (“not”) + aequālis (“equal”). Morphologically inequal + -ity and in- + equality.

Etymology from Wiktionary, CC BY-SA

Practised in Politics & Society

Practise this word

inequality in the wild

  • The inequality for sums was published by Augustin-Louis Cauchy.

    Cauchy–Schwarz inequality

  • The corresponding inequality for integrals was published by Viktor Bunyakovsky and Hermann Schwarz.

    Cauchy–Schwarz inequality

  • The figure at the right shows three examples beginning with clear inequality (top) and approaching equality (bottom).

    Triangle inequality

  • The triangle inequality is a defining property of norms and measures of distance.

    Triangle inequality

  • Such a constraint would later be named a Bell inequality.

    Bell's theorem

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From Wikipedia, CC BY-SA 4.0. These sentences were written by other people about their own subjects; they are here to show the word at work, not as anybody’s opinion.

Related words

  • equality