adj. & n.
--adj. disp.
1. a of a whole or necessary to the completeness of a whole. b forming a whole (integral design). c whole, complete.
2 Math. a of or denoted by an integer. b involving only integers, esp. as coefficients of a function.
--n. Math.
1. a quantity of which a given function is the derivative, either containing an indeterminate additive constant (indefinite integral), or calculated as the difference between its values at specified limits (definite integral).
2 a function satisfying a given differential equation.
Phrases and idioms:
integral calculus mathematics concerned with finding integrals, their properties and application, etc. (cf. differential calculus).
Derivatives:
integrality n. integrally adv.
Etymology: LL integralis (as INTEGER)