Dictionary.com
Thesaurus.com

recursion

American  
[ri-kur-zhuhn] / rɪˈkɜr ʒən /

noun

Mathematics, Computers.
  1. the process of defining a function or calculating a number by the repeated application of an algorithm.


recursion British  
/ rɪˈkɜːʃən /

noun

  1. the act or process of returning or running back

  2. logic maths the application of a function to its own values to generate an infinite sequence of values. The recursion formula or clause of a definition specifies the progression from one term to the next, as given the base clause f (0) = 0, f ( n + 1) = f ( n ) + 3 specifies the successive terms of the sequence f ( n ) = 3 n

"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

Other Word Forms

  • recursive adjective

Etymology

Origin of recursion

1925–30; < Late Latin recursiōn- (stem of recursiō ) a running back, equivalent to recurs ( us ) ( recourse ) + -iōn- -ion

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Some theorize this incestuous recursion could be the beginning of the end for generative AI.

From Salon • Aug. 29, 2023

With three pairs of symbols, the probability of producing the sequences without grasping the underlying concept of recursion becomes much lower, Liao says.

From Scientific American • Nov. 2, 2022

Even in the academy, fellow polymaths were bedazzled by the breadth of his boundless ruminations into metaphysics, modal logic, recursion theory, identity materialism and the ontological nature of numbers.

From New York Times • Sep. 21, 2022

There is a report—you may have heard it—that in the infinite recursion loop our pop culture has entered, a Frasier reboot is being contemplated by its star, Kelsey Grammer.

From Slate • Jul. 26, 2018

There is a recursion here that is worth noting: like all proteins, DNA polymerase, the enzyme that enables DNA to replicate, is itself the product of a gene.*

From "The Gene" by Siddhartha Mukherjee