Added 9 October 2026
accession
/ækˈsɛʃ.ən/ noun
Latin root: accessiō First recorded: 1646 Wiktionary
noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about accession at Wordnik → Where our words come from →
-
A process of increasing by addition (as to a collection or group).
the art collection grew through accession
- (civil law) the right to all of that which your property produces whether by growth or improvement.
-
Something added to what you already have.
the librarian shelved the new accessions
verb
- Make a record of additions to a collection, such as a library.
Origin
Ultimately from Latin accessiō(n), from accēdō (English accede). Cognate to French accession. First attested in 1646.
From Wiktionary, via Kaikki.org (CC BY-SA)