rainbow table
n.β Β«The tablesβtotaling 500GBβ form the core data of a technique known as rainbow cracking, which uses vast dictionaries of data to let anyone reverse the process of creating hashesβthe statistically unique codes that, among other duties, are used to obfuscate a userβs password.…Security professionals have questions whether a business can be created by offering access to rainbow tables.Β» ββGold at the end of rainbow cracking?” by Robert Lemos SecurityFocus Nov. 9, 2005. (source: Double-Tongued Dictionary)