Definition of deaccession in English:

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Pronunciation: /ˌdēakˈseSHən/


[with object]
Officially remove (an item) from the listed holdings of a library, museum, or art gallery, typically in order to sell it to raise funds.
Example sentences
  • Considerable excitement, however, was generated by six works being deaccessioned by the Museum of Modern Art to support its acquisitions fund.
  • One recently discovered gateleg table has the accession number ‘15651LLLJJJ’; however, the researchers are uncertain what museum deaccessioned it.
  • In the run-up to the mixed-lot sale, Sotheby's held two ‘single owner’ auctions in which 296 works consigned by these two institutions were deaccessioned.


The disposal of books, works of art, or other items in this way.
Example sentences
  • He denied any link between the auction house's support of ‘Sensation’ and any role it might play in auctioning future Brooklyn deaccessions.
  • The Office of the Curator will notify the President of all deaccessions.
  • A deaccession of over 1,000 paintings, statues and other objects from the Dutch national art collection is getting a good deal of attention.

For editors and proofreaders

Syllabification: de·ac·ces·sion

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