/ Dictionary / Index D deaccession: Meaning and Definition of Find definitions for: de•ac•ces•sion Pronunciation: (dē"ak-sesh'un), [key] — v.t. to sell (a work of art) from a museum's or gallery's collections, esp. with a view to acquiring funds for the purchase of other works. —v.i. to deaccession a work of art from a museum's or gallery's collections. —n. a deaccessioned work of art. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: deaccession (Thesaurus) deaccelerate deacetylate Related Content Daily Word Quiz: candid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language