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   integral

   adjective

   • 1. necessary to make a whole complete; essential or fundamental: "games are an integral part of the school's curriculum" Similar essentialfundamentalbasicintrinsicinherentconstitutiveinnatestructuralvitalindispensablenecessaryrequisiteOpposite incidentalperipheral
   • ▪ included as part of a whole rather than supplied separately: "the unit comes complete with integral pump and heater" Similar built-ininbuiltintegratedincorporatedfittedcomponentconstituentrare:integrantOpposite add-on
   • ▪ having all the parts that are necessary to be complete: "the first integral recording of the ten Mahler symphonies" Similar unifiedintegratedcomprehensiveorganiccompositecombinedaggregateundividedoverallgrossentirecompletewholetotalfullintactOpposite fragmentedpartial
   • 2. of or denoted by an integer.
   • ▪ involving only integers, especially as coefficients of a function.

   noun

   • 1. a function of which a given function is the derivative, i.e. which yields that function when differentiated, and which may express the area under the curve of a graph of the function.
   • ▪ a function satisfying a given differential equation.

   Word Origin mid 16th century: from late Latin integralis, from integer ‘whole’ (see integer). Compare with integrate and integrity.

   Derivatives

   • 1. integrality noun
   • 2. integrally adverb

   Scrabble Points: 9

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