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.

Arithmetic . pertaining to or being an integer; not fractional.

Mathematics . pertaining to or involving integrals.

an integral whole.

Mathematics .

Also 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.

a primitive.

any of several analogous quantities. Compare improper integral , line integral , multiple integral , surface integral .