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update

[verb uhp-deyt, uhp-deyt; noun uhp-deyt]
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verb (used with object), up·dat·ed, up·dat·ing.
  1. to bring (a book, figures, or the like) up to date as by adding new information or making corrections: to update a science textbook.
  2. Computers. to incorporate new or more accurate information in (a database, program, procedure, etc.).
  3. to bring (a person, organization, etc.) up to date on a particular subject: The magazine article will update you on the international situation.
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noun
  1. an act or instance of updating: to make an update in a financial ledger.
  2. information or data used in updating.
  3. an updated version, model, or the like.
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Origin of update

First recorded in 1940–45; up- + date1
Related formsup·dat·a·ble, adjectiveup·dat·er, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for update

update

verb (ʌpˈdeɪt) (tr)
  1. to bring up to date
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noun (ˈʌpˌdeɪt)
  1. the act of updating or something that is updated
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Derived Formsupdateable, adjectiveupdater, noun
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 update

v.

1948, in reference to information, 1952 in reference to persons, from up + date (v.1). Related: Updated; updating. The noun is attested from 1967.

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Online Etymology Dictionary, © 2010 Douglas Harper