- 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.
Origin of integral
Examples from the Web for integral
Sex and drugs and rock ‘n’ roll have always been an integral part of her story.Sex, Drugs, and Kate Moss: Secrets of a Wild Supermodel|Tom Sykes|October 9, 2014|DAILY BEAST
Throwing up is an integral part of the ceremony, and shamans encourage it.
This is because espionage has become an integral part of American statecraft.
At first this is integral to the fantasy; it's visually stimulating.
Not so this time, as Fury had an integral reason for being there, and added muscle, brains and plenty of sharp lines.How ‘Marvel’s Agents of S.H.I.E.L.D.’ Finally Found Its Way|Jason Lynch|May 14, 2014|DAILY BEAST
The border of a tapestry must appertain, must be an integral part of the whole design for the sake of artistic harmony.The Tapestry Book|Helen Churchill Candee
If it be so, it is quite clear that it is one of those vices which are an integral part of original sin.The Defendant|G.K. Chesterton
As "Jim" he was almost an integral part of the city of "Butterflies."The Galaxy, June 1877|Various
Thus, the priest is no longer isolated from the people; he has become an integral part of it.Vanished Halls and Cathedrals of France|George Warton Edwards
Adding together these values for the three steps we get the integral for the cycle.Lord Kelvin|Andrew Gray
British Dictionary definitions for integral
adjective (ˈɪntɪɡrəl, ɪnˈtɛɡrəl)
- of or involving an integral
- involving or being an integer
Word Origin and History for integral
late 15c., "of or pertaining to a whole," from Middle French intégral (14c.), from Medieval Latin integralis "forming a whole," from Latin integer "whole" (see integer). Related: Integrally. As a noun, 1610s, from the adjective.