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WordReference Random House Learner's Dictionary of American English © 2024in•te•gral /ˈɪntɪgrəl, ɪnˈtɛgrəl/USA pronunciation adj. - of or belonging as an essential part of the whole;
necessary to completeness:[usually: before a noun]an integral part. - Mathematicsrelating to or being an integer;
not a fraction.
n. [countable] - an integral whole.
See -tact-. WordReference Random House Unabridged Dictionary of American English © 2024in•te•gral (in′ti grəl, in teg′rəl),USA pronunciation adj. - of, pertaining to, or belonging as a part of the whole;
constituent or component:integral parts. - necessary to the completeness of the whole:This point is integral to his plan.
- consisting or composed of parts that together constitute a whole.
- entire;
complete;
whole:the integral works of a writer. - Mathematics[Arith.]pertaining to or being an integer;
not fractional. - Mathematicspertaining to or involving integrals.
n. - an integral whole.
- Mathematics
- MathematicsAlso called Riemann integral. the numerical measure of the area bounded above by the graph of a given function, below by the x-axis, and on the sides by ordinates drawn at the endpoints of a specified interval;
the limit, as the norm of partitions of the given interval approaches zero, of the sum of the products of the function evaluated at a point in each subinterval times the length of the subinterval. - Mathematicsa primitive.
- any of several analogous quantities. Cf. improper integral, line integral, multiple integral, surface integral.
- Medieval Latin integrālis. See integer, -al1
- 1545–55
- 2.See corresponding entry in Unabridged essential, indispensable, requisite.
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