In"te*gral (?), a. [Cf. F. int'egral. See Integer.]

1.

Lacking nothing of completeness; complete; perfect; uninjured; whole; entire.

A local motion keepeth bodies integral. Bacon.

2.

Essential to completeness; constituent, as a part; pertaining to, or serving to form, an integer; integrant.

Ceasing to do evil, and doing good, are the two great integral parts that complete this duty. South.

3. Math. (a)

Of, pertaining to, or being, a whole number or undivided quantity; not fractional.

(b)

Pertaining to, or proceeding by, integration; as, the integral calculus.

Integral calculus. See under Calculus.

In"te*gral, n.

1.

A whole; an entire thing; a whole number; an individual.

2. Math.

An expression which, being differentiated, will produce a given differential. See differential Differential, and Integration. Cf. Fluent.

Elliptic integral, one of an important class of integrals, occurring in the higher mathematics; -- so called because one of the integrals expresses the length of an arc of an ellipse.