rainbow table

noun

A table of surjective functions used to decrypt a text that was coded using a hash table.

Meanings

nounrainbow table (plural rainbow tables)

plural rainbow tables

  1. computingA table of surjective functions used to decrypt a text that was coded using a hash table.

Origin

Coined by cryptanalyst Philippe Oechslin in 2003.

Full word history & related roots →

Translations

Finnish sateenkaaritaulukko, sateenkaaritaulu
  • sateenkaaritaulukkoTranslations
  • sateenkaaritauluTranslations
German Rainbow Table, Regenbogentabelle
  • Rainbow TableTranslations
  • RegenbogentabelleTranslations
Cite this entry
APA

rainbow table. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/rainbow%20table

MLA

“rainbow table.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/rainbow%20table. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “rainbow table,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/rainbow%20table.

Source: rainbow table on Wiktionary, CC BY-SA 4.0.