[ri-doo-pli-key-shuh n, -dyoo-]


the act of reduplicating; the state of being reduplicated.
something resulting from reduplicating.
  1. reduplicating as a grammatical pattern.
  2. the added element in a reduplicated form.
  3. a form containing a reduplicated element.

Origin of reduplication

First recorded in 1580–90, reduplication is from the Late Latin word reduplicātiōn- (stem of reduplicātiō). See reduplicate, -ion
Related formsself-re·du·pli·ca·tion, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for reduplication

Historical Examples of reduplication

  • C4-6 are a reduplication, not unnatural indeed, but pro tanto tautological.



  • One (St. Martha's) is passed on both sides by a reduplication of the track.

    The Old Road

    Hilaire Belloc

  • Moreover, the second snake appears to be due to reduplication.

    The Grateful Dead

    Gordon Hall Gerould

  • Yet he has employed this reduplication of a predominant word at ver.

  • The difference lies, not in its reduplication, but in its distribution.

    The English Language

    Robert Gordon Latham

British Dictionary definitions for reduplication



the process or an instance of redoubling
the state, condition, or quality of being redoubled
a thing that has been redoubled
repetition of a sound or syllable in a word, as in the formation of the Latin perfect tetigi from tangere "touch"
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

Word Origin and History for reduplication

1580s, from French réduplication (16c.), from Late Latin reduplicationem (nominative reduplicatio), noun of action from past participle stem of reduplicare (see reduplicate).

Online Etymology Dictionary, © 2010 Douglas Harper

reduplication in Medicine




A redoubling.
A duplication or doubling, as of the sounds of the heart in certain diseased states.
The abnormal presence of two parts instead of a single part.
A fold or duplicature.
Related formsre•dupli•cate′ v.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.