accession number

noun

The unique number given to each new acquisition as it is entered into the catalogue of a library or museum.

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Meanings

nounaccession number (plural accession numbers)

plural accession numbers

  1. The unique number given to each new acquisition as it is entered into the catalogue of a library or museum.
  2. bioinformaticsA unique identifier given to a biological polymer sequence (DNA, protein) when it is submitted to a sequence database.
Cite this entry
APA

accession number. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/accession%20number

MLA

“accession number.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/accession%20number. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “accession number,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/accession%20number.

Source: accession number on Wiktionary, CC BY-SA 4.0.