# integral calculus

### noun

the branch of mathematics that deals with integrals, especially the methods of ascertaining indefinite integrals and applying them to the solution of differential equations and the determining of areas, volumes, and lengths.

## Nearby words

integer, integer vitae, integers, integrable, integral, integral calculus, integral curve, integral domain, integral equation, integral function, integral test

## Origin of integral calculus

First recorded in 1720–30

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

## British Dictionary definitions for integral calculus

## integral calculus

### noun

the branch of calculus concerned with the determination of integrals and their application to the solution of differential equations, the determination of areas and volumes, etcCompare differential calculus

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

## Science definitions for integral calculus

## integral calculus

The study of integration and its uses, such as in calculating areas bounded by curves, volumes bounded by surfaces, and solutions to differential equations. Compare calculus of variations differential calculus.

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