Redundancy

Redundancy may refer to:

Language

• Redundancy (linguistics), the construction of a phrase that presents some idea using more information, often via multiple means, than is necessary for one to be able to understand the idea
• Tautology (rhetoric), an unnecessary or unessential (and sometimes unintentional) repetition of meaning, using different and dissimilar words that effectively say the same thing twice (often originally from different languages)
• Pleonasm, the use of more words or word-parts than is necessary for clear expression, often redundantly
• Logorrhoea (linguistics), an excessive flow of words more generally

Other uses

• Redundancy (engineering)
• Redundancy (information theory)
• Redundancy (total quality management)
• Redundancy (user interfaces)
• Data redundancy
• Gene redundancy
• Logic redundancy
• Redundant acronym syndrome syndrome
• Redundant church
• Layoff, dismissal of an employee for lack of available work
• Redundant code, computer program code that is executed but has no effect on the output of the program
• Tautology (rhetoric), unnecessary repetition of meaning
• Database normalization, the elimination of redundancy in databases
• Redundant (play), by Leo Butler
• "Redundant" (song), a song recorded by the American rock band Green Day in 1997