Redundancy or redundant may refer to:
Language
- Redundancy (linguistics), information that is expressed more than once
Engineering and computer science
- Data redundancy, database systems which have a field that is repeated in two or more tables
- Logic redundancy, a digital gate network containing circuitry that does not affect the static logic function
- Redundancy (engineering), the duplication of critical components or functions of a system with the intention of increasing reliability
- 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
- Codon redundancy, the redundancy of the genetic code exhibited as the multiplicity of three-codon combinations
- Cytokine redundancy, a term in immunology referring to the phenomenon in which, and the ability of, multiple cytokines to exert similar actions
- 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
- "Redundant" (song), 1997 song by American rock band Green Day
- Redundant (play), 2001 drama by Leo Butler
Other uses
- Redundant church, no longer used for worship
- Redundancy in United Kingdom law, dismissal for economic reasons
See also
- All pages with titles beginning with Redundant
- All pages with titles containing Redundancy
- Voluntary redundancy, termination of employment by agreement between employee and employer
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