# improper integral

- 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.

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## Origin of improper integral^{}

First recorded in 1940–45

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

## improper integral

- a definite integral having one or both limits infinite or having an integrand that becomes infinite within the limits of integration

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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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