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WordReference Random House Unabridged Dictionary of American English © 2024def′inite in′tegral, [Math.]- Mathematicsthe representation, usually in symbolic form, of the difference in values of a primitive of a given function evaluated at two designated points. Cf. indefinite integral.
Collins Concise English Dictionary © HarperCollins Publishers:: definite integral n - the evaluation of the indefinite integral between two limits, representing the area between the given function and the x-axis between these two values of x
- the expression for that function, ʃbaf(x)dx, where f(x) is the given function and x = a and x = b are the limits of integration. Where F(x) = ʃf(x)dx, the indefinite integral, ʃbaf(x)dx = F(b)–F(a)
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