In"te*gral (?), a. [Cf. F.
intégral. 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.