¦dēˌ verb
also de-ac·cess ¦deakˈses
Etymology: de-accession from de- + accession; de-access back-formation from de-accession
transitive verb
: to remove and sell (a work of art) from an institution's (as a museum's or a library's) collection especially to raise funds to purchase other works of art
intransitive verb
: to de-accession a work of art or part of a collection
• de·accession noun