Definition of equality in English:


Line breaks: equal|ity
Pronunciation: /ɪˈkwɒlɪti
, iː-/


  • 2 Mathematics A symbolic expression of the fact that two quantities are equal; an equation.
    More example sentences
    • Relationships between other values from different quantity spaces can be defined using equalities and correspondences.
    • The formal algebraic manipulation of series investigated by Lagrange and Laplace in the 1770s was put in the form of operator equalities by Arbogast in 1800 in Calcul des dérivations.
    • In a series of papers published over the following years Edmonds examined a whole variety of different conditions on the functions f and g which give the required equalities.


late Middle English: via Old French from Latin aequalitas, from aequalis (see equal).

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Pronunciation: ˌkələrəˈto͝orə
elaborate ornamentation of a vocal melody