Meaning of accession

ac•ces•sion

Pronunciation: (ak-sesh'un), [key]
— n.
  1. the act of coming into the possession of a right, title, office, etc.: accession to the throne.
  2. an increase by something added: an accession of territory.
  3. something added: a list of accessions to the college library.
  4. addition to property by growth or improvement.
  5. consent; agreement; approval: accession to a demand.
  6. formal acceptance of a treaty, international convention, or other agreement between states.
  7. the act of coming near; approach.
  8. an attack or onset, as of a disease.
—v.t.
  1. to make a record of (a book, painting, etc.) in the order of acquisition.
  2. to acquire (a book, painting, etc.), esp. for a permanent collection.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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