indefinite integral

noun Mathematics.

a representation, usually in symbolic form, of any function whose derivative is a given function.

Origin of indefinite integral

First recorded in 1875–80
Also called antiderivative. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for indefinite integral

indefinite integral


  1. any function whose derivative is the given function, as x ², x ² + 3, x ²–5, etc of 2x
  2. the schema representing all such functions, here x ² + k
  3. the symbolic representation of this as a function of the given function, written ʃ f (x) dx where f (x) is the given function
  4. the symbol ʃ
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

indefinite integral in Science

indefinite integral


A function whose derivative is a given function.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.