Redundancy or redundant may refer to:
Language
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Redundancy (linguistics)
In linguistics, redundancy refers to information that is expressed more than once.
Examples of redundancies include multiple agreement features in morphology, multiple features distinguishing phonemes in phonology, or the use of multiple words t ...
, information that is expressed more than once
Engineering and computer science
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Data redundancy In computer main memory, auxiliary storage and computer buses, data redundancy is the existence of data that is additional to the actual data and permits correction of errors in stored or transmitted data. The additional data can simply be a compl ...
, database systems which have a field that is repeated in two or more tables
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Logic redundancy, a digital gate network containing circuitry that does not affect the static logic function
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Redundancy (engineering)
In engineering, redundancy is the intentional duplication of critical components or functions of a system with the goal of increasing reliability of the system, usually in the form of a backup or fail-safe, or to improve actual system perform ...
, the duplication of critical components or functions of a system with the intention of increasing reliability
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Redundancy (information theory), the number of bits used to transmit a message minus the number of bits of actual information in the message
* Redundancy in
total quality management, quality which exceeds the required quality level, creating unnecessarily high costs
* The same task executed by several different methods in a
user interface
Biology
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Codon redundancy, the redundancy of the genetic code exhibited as the multiplicity of three-codon combinations
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Cytokine redundancy Cytokine redundancy is a term in immunology referring to the phenomenon in which, and the ability of, multiple cytokines to exert similar actions. This phenomenon is largely due to multiple cytokines utilizing common Receptor (biochemistry), recepto ...
, a term in immunology referring to the phenomenon in which, and the ability of, multiple cytokines to exert similar actions
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Gene redundancy, the existence of several genes in the genome of an organism that perform the same role to some extent
As a proper name
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"Redundant" (song), 1997 song by American rock band Green Day
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''Redundant'' (play), 2001 drama by Leo Butler
Other uses
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Redundant church, no longer used for worship
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Redundancy in United Kingdom law, dismissal for economic reasons
See also
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Voluntary redundancy, termination of employment by agreement between employee and employer
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