# integral

[in-ti-gruhl, in-teg-ruhl]

### adjective

### noun

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.

## RELATED CONTENT

## RELATED WORDS

indispensable, intrinsic, essential, elemental, indivisible, constituent, requisite, component, fundamental, perfect, aggregate, full, whole, entire, intact, unbroken, undivided, choate

## Nearby words

- intarsist,
- integer,
- integer vitae,
- integers,
- integrable,
- integral calculus,
- integral curve,
- integral domain,
- integral equation,
- integral function

## Origin of integral

SYNONYMS FOR integral

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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

## Examples from the Web for integral

## integral

### adjective (ˈɪntɪɡrəl, ɪnˈtɛɡrəl)

### noun (ˈɪntɪɡrəl)

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

## 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.

Online Etymology Dictionary, © 2010 Douglas Harper

## integral

[ĭn′tĭ-grəl]

### Adjective

### Noun

The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.