different between duplication vs redundancy

English

Etymology

Borrowed from Middle French, from Late Latin duplicatio, duplicationem, from Latin duplico.Morphologically duplicate +? -ion

Pronunciation

• (UK) IPA^(key): /dju?.pl?.?ke?.??n/
• (US) IPA^(key): /d(j)u.pl?.?ke?.??n/
• Rhymes: -e???n

Noun

duplication (countable and uncountable, plural duplications)

1. The act of duplicating.
2. A folding over; a fold.
3. (biology) The act or process of dividing by natural growth or spontaneous action.

4. (genetics) The act of copying a nucleotide sequence from one chromosome to another.
5. (genetics) A nucleotide sequence copied through such a process.

Synonyms

• (act of duplicating): See also Thesaurus:duplication

Translations

French

Etymology

From Middle French, from Late Latin duplicatio, duplicationem, from Latin duplico.

Pronunciation

Noun

duplication f (plural duplications)

1. duplication

Related terms

• dupliquer

Further reading

• “duplication” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

English

Etymology

redundant +? -cy

Pronunciation

• (Received Pronunciation) IPA^(key): /???d?nd(?)nsi/
• (General American) IPA^(key): /???d?nd?n(t)si/, /??-/
• Hyphenation: re?dun?dan?cy

Noun

redundancy (countable and uncountable, plural redundancies)

1. The state of being redundant
2. A superfluity; something redundant or excessive; a needless repetition in language
3. Duplication of components or circuits to provide survival of the total system in case of failure of single components.
   • 2006, Lauren Bean, Richard E. Friedman, Chapter 5: School Safety in the Twenty First Century: Adapting to New Security Challenges Post-9/11, James J. F. Forest (editor), Homeland Security: Protecting America?s Targets, Volume 2: Public Spaces and Social Institutions, page 108,

     Staff redundancy is needed in the event that a supervisor and key unit supervisors are not present or unable to act in an emergency.

4. Duplication of parts of a message to guard against transmission errors.
5. (chiefly Britain, Australia, New Zealand) The state of being unemployed because one's job is no longer necessary; the dismissal of such an employee; a layoff.
   • 1981, New Zealand House of Representatives. Parliamentary Debates, Volume 442, page 4212,

     Has he received any representation from Air New Zealand management about redundancy proposals for Air New Zealand staff; and, if so, do these proposals include redundancy agreements?

   • 1983, UK House of Commons, Papers by Command, Volume 40, page lvi,

     The potential savings did not take into account once-and-for-all staff redundancy costs of £16.5 million and unspecified costs involved in increasing stock levels […] .

   • 2003, K. Brendow, Restructuring Estonia?s Oil Shale Industry: What Lessons from the Restructuring the Coal Industries in Central and Eastern Europe?, Oil Shale, page 307,

     In Estonia, in addition, the ethnical aspects of staff redundancy programmes have to be taken into account.
6. (law) surplusage inserted in a pleading which may be rejected by the court without impairing the validity of what remains.

Synonyms

• (state of being redundant): redundance (rare), pro-chrono continuum (rare), superfluity, superfluousness
• (thing that is redundant): dead wood, superfluity
• (duplication in case of transmission error): backup
• (state of being unemployed): retirement
• (instance or act of dismissal): sacking

Antonyms

• (state of being redundant): non-redundancy
• (state of being unemployed): employment
• (instance or act of dismissal): hiring

Hyponyms

• space redundancy
• time redundancy

Derived terms

• Common Access Redundancy Protocol
• cyclic redundancy check/CRC
• Department of Redundancy Department
• redundancy check

Translations

References

• redundancy on Wikipedia.Wikipedia