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duplication

B2
Fairly common

Pronunciation

UK

  • /djˌuːplɪkˈeɪʃən/

US

  • /ˌdjupləˈkeɪʃən/

Meanings

Noun

  1. the act or result of making an extra copy

  2. unnecessary repetition or overlap of work, functions, or services

  3. a genetic mutation in which DNA or chromosome material is repeated

Beyond the definition

Duplication is the act of making an exact copy of something, or of having the same thing happen more than once. Think of pressing the "copy" button on a printer: you make another version that looks the same as the first one. This can refer to physical objects, like making a copy of a key, or to more abstract situations, like a duplication of effort when two people unknowingly do the same task. Sometimes it happens naturally; in biology, genetic duplication occurs when part of the DNA is copied. The word can also be used for repeated records, files, or steps that appear more than once.

Examples

  1. 1

    Customer list

    We found a duplication in the customer list and deleted the extra name.

  2. 2

    Data systems

    The new system is meant to reduce duplication of data across different departments.

  3. 3

    Project roles

    Clear roles help avoid duplication of effort on a project.

    • Phraseduplication of effort

      two or more people doing the same work unnecessarily

  4. 4

    Editing

    The editor removed a paragraph because it was a duplication of an earlier section.

More examples
  1. 5

    Team structure

    Merging the two teams could lead to duplication of roles if the responsibilities are not clear.

See also

Similar

Shades of meaning

Contrast

Used with (collocations)

  • data duplication
  • avoid duplication
  • unnecessary duplication
  • duplication of effort

Word family

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Forms and spellings

2 forms open this card.

Main spelling

  • duplicationnoun

Forms

  • duplicationspluralnoun