# improper integral

### noun Mathematics.

Also called infinite integral. a definite integral in which one or both of the limits of integration is infinite.

a definite integral in which the integrand becomes infinite at a point or points in the interval of integration.

## Origin of improper integral

First recorded in 1940–45

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

## improper integral

### noun

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