duplication

noun

du·​pli·​ca·​tion ˌdü-pli-ˈkā-shən How to pronounce duplication (audio)
 also  ˌdyü-
1
a
: the act or process of duplicating
b
: the quality or state of being duplicated
2
3
: a part of a chromosome in which the genetic material is repeated
also : the process of forming a duplication

Examples of duplication in a Sentence

He sent the manuscript out for duplication. Please eliminate duplication when combining the lists.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
By reducing the time that officers spend on paperwork, streamlining workflows and reducing duplication, agencies can save up to half of an officer's shift every day. Matthew Polega, Forbes.com, 15 Apr. 2025 If the Bills see him that way, too, there would be too much duplication of skills with Shakir. Joe Buscaglia, New York Times, 11 Apr. 2025 Now there are perhaps 1,000 cultivars in existence, although sloppy recordkeeping and naming practices may have resulted in many duplications. Neil Sperry, Fort Worth Star-Telegram, 11 Apr. 2025 How to Optimize the Hybrid Approach: • Clearly define roles between internal and external teams to prevent duplication. Maria Alonso, Forbes, 21 Mar. 2025 See All Example Sentences for duplication

Word History

First Known Use

15th century, in the meaning defined at sense 1a

Time Traveler
The first known use of duplication was in the 15th century

Cite this Entry

“Duplication.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/duplication. Accessed 25 Apr. 2025.

Kids Definition

duplication

noun
du·​pli·​ca·​tion ˌd(y)ü-pli-ˈkā-shən How to pronounce duplication (audio)
1
a
: an act or process of duplicating
b
: the state of being duplicated
2

Medical Definition

duplication

noun
du·​pli·​ca·​tion ˌd(y)ü-pli-ˈkā-shən How to pronounce duplication (audio)
1
: the act or process of duplicating : the quality or state of being duplicated
2
: a part of a chromosome in which the genetic material is repeated
also : the process of forming a duplication

Legal Definition

duplication

noun
du·​pli·​ca·​tion ˌdü-pli-ˈkā-shən, ˌdyü- How to pronounce duplication (audio)
: the act, process, or result of duplicating

More from Merriam-Webster on duplication

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!