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redundancy

[ri-duhn-duh n-see]
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noun, plural re·dun·dan·cies.
  1. the state of being redundant.
  2. superfluous repetition or overlapping, especially of words.
  3. a redundant thing, part, or amount; superfluity.
  4. the provision of additional or duplicate systems, equipment, etc., that function in case an operating part or system fails, as in a spacecraft.
  5. Linguistics.
    1. the inclusion of more information than is necessary for communication, as in those cars, where both words are marked for plurality.
    2. the additional, predictable information so included.
    3. the degree of predictability thereby created.
  6. Chiefly British.
    1. the condition or fact of being unemployed; unemployment.
    2. a layoff.
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Sometimes re·dun·dance.

Origin of redundancy

1595–1605; < Latin redundantia an overflowing, excess, derivative of redundāns redundant; see -ancy
Can be confusedredundancy tautology
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for redundance

Historical Examples

  • If you live in a mountain or hill country, your only danger is redundance of subject.

    The Crown of Wild Olive

    John Ruskin

  • The whole stanza is beautiful, and musical with the music of redundance.

    Milton

    Sir Walter Alexander Raleigh

  • Yet both may be equally Christian, in spite of the redundance or the deficiency.

  • Respecting Shelley at Eton, there is almost a redundance of evidence.

    The Real Shelley, Vol. I (of 2)

    John Cordy Jeaffreson

  • There seems to be a natural tendency to deal in a redundance of prepositions.

    Conversation

    Andrew P. Peabody


British Dictionary definitions for redundance

redundancy

noun plural -cies
    1. the state or condition of being redundant or superfluous, esp superfluous in one's job
    2. (as modifier)a redundancy payment
  1. excessive proliferation or profusion, esp of superfluity
  2. duplication of components in electronic or mechanical equipment so that operations can continue following failure of a part
  3. repetition of information or inclusion of additional information to reduce errors in telecommunication transmissions and computer processing
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for redundance

n.

1610s, from Latin redundantia "an overflowing, superfluity, excess," from redundare (see redundant).

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redundancy

n.

c.1600; see redundant + -ancy. Sense in employment is from 1931, chiefly British.

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Online Etymology Dictionary, © 2010 Douglas Harper

redundance in Culture

redundancy

Unnecessary repetition in speech or writing. The expression freedom and liberty is redundant.

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The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.