[ ak-sesh-uh n ]
/ ækˈsɛʃ ən /


verb (used with object)

to make a record of (a book, painting, etc.) in the order of acquisition.
to acquire (a book, painting, etc.), especially for a permanent collection.

Nearby words

  1. access road,
  2. access time,
  3. accessary,
  4. accessibility,
  5. accessible,
  6. accession number,
  7. accessorial,
  8. accessorius,
  9. accessorize,
  10. accessory

Origin of accession

1580–90; < Latin accessiōn- (stem of accessiō) an approach, addition. See access, -ion

Related formsac·ces·sion·al, adjectivenon·ac·ces·sion, nounre·ac·ces·sion, nounun·ac·ces·sion·al, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for accession

British Dictionary definitions for accession


/ (əkˈsɛʃən) /



(tr) to make a record of (additions to a collection)
Derived Formsaccessional, adjective

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 accession



"act of coming to a position," especially of a throne, 1640s, from Latin accessionem (nominative accessio) "a going to, joining, increase," noun of action from past participle stem of accedere (see accede).

Online Etymology Dictionary, © 2010 Douglas Harper