data dictionary

noun

A document or repository that describes the data and metadata within a system.

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Meanings

noundata dictionary (plural data dictionaries)

plural data dictionaries

  1. computingA document or repository that describes the data and metadata within a system.
Cite this entry
APA

data dictionary. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/data%20dictionary

MLA

“data dictionary.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/data%20dictionary. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “data dictionary,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/data%20dictionary.

Source: data dictionary on Wiktionary, CC BY-SA 4.0.