duplication
noun
du·pli·ca·tion
ˌdü-pli-ˈkā-shən 
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
Without someone responsible for seeing the bigger picture, there's a risk in duplication of services, misalignment of goals and the potential loss of funding from organizations and grantors that want to see a macro approach to an issue.
—
Taryn Palumbo, Forbes.com, 27 May 2026
This has saved us a lot of duplication of services over the years, which means saving a lot of money and repeat tests, never mind pain and suffering.
—Inga, San Diego Union-Tribune, 25 May 2026
That means focusing on performance, eliminating duplication, and modernizing how agencies operate—not simply reducing headcount.
—Baltimore Sun Staff, Baltimore Sun, 20 May 2026
This is why most genome duplications get lost to time.
—Ari Daniel, NPR, 19 May 2026
See All Example Sentences for duplication
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
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Taryn Palumbo, Forbes.com, 27 May 2026
This has saved us a lot of duplication of services over the years, which means saving a lot of money and repeat tests, never mind pain and suffering.
—Inga, San Diego Union-Tribune, 25 May 2026
That means focusing on performance, eliminating duplication, and modernizing how agencies operate—not simply reducing headcount.
—Baltimore Sun Staff, Baltimore Sun, 20 May 2026
This is why most genome duplications get lost to time.
—Ari Daniel, NPR, 19 May 2026
See All Example Sentences for duplication
Cite this Entry
“Duplication.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/duplication. Accessed 4 Jun. 2026.
Copy CitationKids Definition
duplication
noun
du·pli·ca·tion
ˌd(y)ü-pli-ˈkā-shən
1
a
: an act or process of duplicating
b
: the state of being duplicated
Medical Definition
duplication
noun
du·pli·ca·tion
ˌd(y)ü-pli-ˈkā-shən
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-
: the act, process, or result of duplicating
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